小数四则混合运算专项练习276题ok

...wd......wd......wd...小数混合运算专项练习276题〔有答案〕0.11×1.8+8.2×0.11 2.34×99+2.34 5.4÷2.7×0.8132×101 6.25÷1.25÷0.8 2.5×16．6.33×101﹣6.33 1.56×1.7+0.44×1.71.8×[〔3.41﹣2.9〕÷0.03]0.125×32×2.5．1.258×18.5﹣0.258×18.5 8.48÷0.8×0.91.25×2.4 5.85÷〔1.3+0.5〕×6．17.17﹣6.8﹣3.2﹣6.17 5.4×[〔1.3+2.15〕÷0.2] 8.4÷0.6+8.4÷0.416.8×10.1 10.9﹣0.9÷0.2+1.8 1.25×3.2×0.25．1.36+4.85+2.64+6.1598.5÷2.5÷45.4÷[2.5×〔3.7﹣2.9〕]0.8×〔4﹣3.68〕÷0.0183.7﹣12.83﹣0.175.96+13×〔3.2﹣3.12〕4.32÷2.4×1.7；16.2×4.5+3.8×4.5；9.05﹣3.86﹣3.14；7.28+0.72÷0.9．

4.32+5.43+6.68 17.17﹣6.8﹣3.2 5.29×9+5.2916.8×10.1 2.74×9.5+5×0.274 0.36+9.6÷3.2．3.75×25+6.25×25 25.46﹣8.23﹣1.76 2.9+7.1×10 1.25×32×0.25．15.68﹣〔7.78﹣4.32〕﹣2.32 0.25×3.2×1.25 9.99×1.014.63×1.4+46.3×0.86 17.5÷0.8÷12.5 0.9+9.9+99.9+999.9．2.9×99+2.9 25×11.2×4 23.25﹣6.75﹣3.25．125×3.2×2.5 3.6×10.1 5.8×2.7+0.58×733.6+6.4×1.8 〔1.48+3.02〕÷〔3.6×0.5〕 〔36.7﹣4.9〕×101﹣31.8．6.33×101﹣6.33 35.6﹣5×1.73 1.6×55.4﹣55.4×0.6 17.68÷5.2+2.7×1.5．1.08×0.8÷0.27102×0.4522.78÷1.25÷0.80.34×101﹣0.34．0.125×32×2.50.8×6.3﹣0.8×3.8504÷3.2×2.08〔20﹣0.8×9〕×5.72.4×1.5+3.6÷1.5 7.38﹣5.14+3.62﹣2.860.12×1.8+8.2×0.12 5.4÷[0.51÷〔1.2﹣1.03〕][〔8.1﹣5.6〕×0.9﹣1.05]÷0.04．10.8﹣0.8÷〔0.35+0.05〕 8×[1÷〔2.3﹣2.25〕]2.64×9.9+0.264 4.52+0.61+1.39+6.484.27﹣〔1.96﹣1.73〕〔294.4﹣19.2×6〕÷〔6+8〕12.5×0.76×0.4×8×2.5．4.98+8.02×2.5 60.8﹣40.8÷2.5 0.8×69.6×12.54.98×99+4.9 6.48÷3.2÷2.5 1.2×7.6+7.6×6.8．〔9.4﹣5.8〕×2.07 12.54﹣4.56﹣3.44﹣1.54〔9.36×5+9.36+9.36×2〕×1.25 7.236÷0.18﹣14.3×0.02．9.6÷0.4×0.25 29.7÷〔5.85÷0.65〕7.4×9.9 3.84﹣2.7×0.648.68﹣8.68÷0.56×0.5 4.7×4.7+4.7+4.3×4.7．2.72÷[〔8.2﹣6.5〕×0.5]；9.12+9.12×9﹣60.2；28.4÷0.4÷0.25；27.36﹣27.36÷7.6．3.25×0.45+6.75×0.45 31.5﹣24.5÷3.5 7.5×1026.3+3.7×2.8．2.15+8.73+1.27+7.85 11.87﹣〔8.2+1.87〕 5.42﹣3.87﹣1.134.38﹣1.56+0.62﹣0.44 0.4×270×2． 〔40+1.25〕×8〔12.5﹣0.05〕×8 2.6×8.5+8.5×7.4 9.9×6.9﹣6.9×3.95.6×99+5.6 2.5×〔1.9+1.9+1.9+1.9〕 7.2÷1.25÷8．52.4﹣〔15+0.6〕÷1.69.87×99+9.87 46.8÷0.9÷0.4 5.5×17.3+6.7×5.5．99×4.2+4.2 0.25×1.25×3.26.4×14+15×6.4+6.4 〔1.3+1.3×0.125×8〕÷〔80﹣77.4〕4×〔25+2.5+0.25〕÷111 6.25÷〔〔17.2﹣3.6×4.5〕÷0.32〕28.4×99+28.4 0.94×2.5﹣0.45 4×0.8×12.5×2.5 17.5÷0.25×17+13．10.1×87 2.3+3.19÷〔22﹣19.8〕 1.25×7.2．9.1﹣1.2÷6﹣6.24 7.3+12.8﹣3.8×2.3〔5.36+7.64〕÷13×100 7.575÷[〔5.63﹣1.88〕×0.2]．7.5﹣〔5.5+1.24〕 0.26+15.68+9.74+2.32 13.26+9.55﹣3.26 6.1+3.9﹣6.1+3.9．31.7÷0.63〔保存2位小数〕2.4×1.5+3.6÷1.50.32×0.25+0.08÷4〔9.6+1.48÷3.7〕÷85.8÷[4×〔1.34﹣0.14〕]5.4÷[0.51÷〔1.2﹣1.03〕]．21.35﹣3.25﹣16.7533.02﹣〔148.4﹣90.85〕÷2.532×2.5×0.12518.1+〔3﹣0.299÷0.23〕×1．67﹣〔2.98+0.67〕8×16﹣73.8×6〔45+14〕÷73+710．13.7×0.125×8 0.8×[13﹣〔3.12+5.28〕]102×0.56 1.53×1.7+0.47×1.7．5.18+0.73+0.82 0.75×1.8÷1.5 12.5×7.1×0.86.12×99+6.12 8.6÷0.86+8×0.355.6×〔18.5﹣8.5÷0.5〕

0.125×4.78×80 2.8×3.6+1.4×2.8 〔0.4+40〕×2.578.7﹣17.7×3.6 18÷[0.3×〔8﹣6.5〕] 12.7+12.5+0.5．91÷2.6÷0.05= 6.3×3.7+6.3×6.3= 〔3.7+1.7×0.4〕÷2.5=7.28+3.2÷2.5= 0.74+0.9×7.4= 7.8÷0.125÷0.8=37.5÷[0.3×〔1.34﹣0.84〕]〔2.5+27.75÷1.5〕×1.6．6.21﹣3.8+2.2 6.03+3.7+2.9717.43﹣6.57﹣2.43 20.47﹣〔1.47+6.8〕13.26+4.71+3.47+5.29 22.74+8.68﹣13.74．10÷0.2÷2.5 64×4.5+3.6×45 1.25×3.2×0.814.5×102 14.64+3.7×2.8 8.4÷0.21÷0.5．0.125×9×8×0.3 4.62÷5÷0.665.78×2.3+5.78+5.78×6.7 7.75×[20÷〔3.24﹣3.04〕]．1.25×0.5×8×0.2 0.97×9+0.97 5.4÷[3×﹙3.8﹣2.9﹚]．0.4×〔3.2﹣0.8〕÷0.155.7+1.9×0.2÷7.632.4×6.3+32.4×3.718.2﹣10.6×〔0.9﹣0.75〕0.25×3.85×401.46×3.5+3.5×4.54．7×12.5×0.8 4.7×3.6+4.7×6.4 1.45×[〔2.8+4.4〕÷2.4]．4.2×〔6.18﹣3.03〕+6.315.02﹣6.8﹣〔1.02+1.2〕0.6×[〔5﹣0.68〕÷1.2]2.7÷4+6.3×0.25〔6.02+2.8〕÷0.4﹣2.053.08×3.5+6.2×3.08+3.08×0.3．2.3+3.91÷〔22﹣19.7〕 21.6÷[64.8﹣〔48.6﹣2.7×2〕]．93.6×3.6+1.4×3.60.25×0.8×0.125×0.42.7×1.5﹣2.79.08+5.45+11.92+4.551.25×30×1.2×0.8．0.6+0.94﹣0.208 4.85×1.25×8 〔64﹣22.4÷1.4〕×1.218.3﹣6.25﹣3.75 2.8×3.6+1.4×2.8 6.6÷〔14.5﹣〔1.7+1.8〕〕0.25×9.87×436.7×2.1+10.88.45﹣0.45×0.10.73×1027.8×5.6+2.3×4.476.3×27﹣76.3×17．7.05×23.7+7.05×76.3．[〔7.6﹣5.2〕÷0.4+2.54]×32．17.68÷5.2+2.7×1.5 35.6﹣5×1.73 〔1.1﹣0.78〕×〔2.7﹣1.95〕1.3×0.75×41.08÷1.8×1.250.4×1.9﹣1.80.82×0.25+1.18×0.25．8.5×[〔2.36+2.42〕÷0.25] 3.9÷[〔1.3+0.6〕×6﹣3.6] 4.25×6.3+3.7×4.25205×0.99 25.6﹣7.49﹣2.51 [2.5﹣〔6.8﹣4.9〕]×0.8．102×4.5 3.4÷[〔1.2+0.5〕×5] 8×〔20﹣1.25〕0.654+10.9×6.5 22.7×1.25×0.8 3.91×2.8+6.09×2.8．6.23+3.09= 132.4﹣59.8= 6.62×0.84= 2.07÷0.023=[20.026﹣〔8.6+9.7〕×0.92]÷30.19．0.125×32×2.5 0.8×6.3﹣0.8×3.8 50.4÷3.2×2.08204÷〔3.4×0.5〕 〔43.26+2.34〕÷7.5 〔20﹣0.8×9〕×5.7．13.25﹣0.8+1.75﹣1.2；2.5×99+2.5；10.36+4.8﹣16.5÷5；12.5×2.4．38.78﹣19.59+41.22﹣30.412.74×4.86+4.86×6.26+4.860.08×〔12.5+2.5〕×0.125.92+〔10.1﹣14.5×0.2〕0.487×12.5÷48.7〔8.16+2.09〕÷[〔10.3﹣9.3〕÷0.4]．1.56×1.7+0.44×1.7 12.5×〔7.2﹣1.9〕×0.8 0.25×2010+20.10×75 30.8÷[〔6.34﹣4.59〕×4]．参考答案：〔1〕0.11×1.8+8.2×0.11，=0.11×〔1.8+8.2〕，=0.11×10，=1.1；〔2〕2.34×99+2.34，=2.34×〔99+1〕，=2.34×100，=234；〔3〕5.4÷2.7×0.8，=2×0.8，=1.6；〔4〕132×101，=132×〔100+1〕，=132×100+132，=13332；〔5〕6.25÷1.25÷0.8，=6.25÷〔1.25×0.8〕，=6.25÷1，=6.25；〔6〕2.5×16，=〔2.5×4〕×4，=40〔7〕6.33×101﹣6.33，=6.33×〔101﹣1〕，=6.33×100，=633；〔8〕1.56×1.7+0.44×1.7，=1.7×〔1.56+0.44〕，=1.7×2，=3.4；〔9〕1.8×[〔3.41﹣2.9〕÷0.03]，=1.8×[0.51÷0.03]，=1.8×17，=30.6；〔10〕0.125×32×2.5，=〔0.125×8〕×〔4×2.5〕，=1×10，=10〔11〕1.258×18.5﹣0.258×18.5，=18.5×〔1.258﹣0.258〕，=18.5×1，=18.5；〔12〕8.48÷0.8×0.9，=10.6×0.9，=9.54；〔13〕1.25×2.4，=1.25×8×0.3，=10×0.3，=3；〔14〕5.85÷〔1.3+0.5〕×6，=5.85÷1.8×6，=3.25×6，=19.5〔15〕17.17﹣6.8﹣3.2﹣6.17=〔17.17﹣6.17〕﹣〔6.8+3.2〕，=11﹣10，=1；〔16〕5.4×[〔1.3+2.15〕÷0.2]=5.4×[3.45÷0.2]，=5.4×17.25，=93.15；〔17〕8.4÷0.6+8.4÷0.4=14+21=35；〔18〕16.8×10.1=16.8×10+16.8×0.1，=168+1.68，=169.68；〔19〕10.9﹣0.9÷0.2+1.8=10.9﹣4.5+1.8，=8.2；〔20〕1.25×3.2×0.25=〔1.25×0.8〕×〔4×0.25〕，=1×1，=1〔21〕1.36+4.85+2.64+6.15，=〔1.36+2.64〕+〔4.85+6.15〕，=4+11，=15；〔22〕98.5÷2.5÷4，=98.5÷〔2.5×4〕，=98.5÷10，=9.85；〔23〕5.4÷[2.5×〔3.7﹣2.9〕]，=5.4÷[2.5×0.8]，=5.4÷2，=2.7；〔24〕0.8×〔4﹣3.68〕÷0.01，=0.8×0.32÷0.01，=0.256÷0.01，=25.6；〔25〕83.7﹣12.83﹣0.17，=83.7﹣〔12.83+0.17〕，=83.7﹣13，=70.7；〔26〕5.96+13×〔3.2﹣3.12〕，=5.96+13×0.08，=5.96+1.04，=7．〔27〕4.32÷2.4×1.7，=1.8×1.7，=3.06；〔28〕16.2×4.5+3.8×4.5，=〔16.2+3.8〕×4.5，=20×4.5，=90；〔29〕9.05﹣3.86﹣3.14，=9.05﹣〔3.86+3.14〕，=9.05﹣7，=2.05；〔30〕7.28+0.72÷0.9，=7.28+0.8，=8.08〔31〕4.32+5.43+6.68，=4.32+6.68+5.43，=11+5.43，=16.43；〔32〕17.17﹣6.8﹣3.2，=17.17﹣〔6.8+3.2〕，=17.17﹣10，=7.17；〔33〕5.29×9+5.29，=5.29×〔9+1〕，=5.29×10，=52.9；〔34〕16.8×10.1，=16.8×10+16.8×0.1，=168+1.68，=169.68；〔35〕2.74×9.5+5×0.274，=2.74×9.5+0.5×2.74，=2.74×〔9.5+0.5〕，=2.74×10，=27.4；〔36〕0.36+9.6÷3.2，=0.36+3，=3.36〔37〕3.75×25+6.25×25，=25×〔3.75+6.25〕，=25×10，=250；〔38〕25.46﹣8.23﹣1.76，=25.46﹣〔8.23+1.76〕，=25.46﹣9.99=15.45；〔39〕2.9+7.1×10，=2.9+71，=73.9；〔40〕1.25×32×0.25=〔1.25×8〕×〔4×0.25〕，=10×1，=1．〔41〕15.68﹣〔7.78﹣4.32〕﹣2.32，=15.68﹣7.78+4.32﹣2.32，=〔15.68+4.32〕﹣〔7.78+2.32〕，=20﹣10，=10；〔42〕0.25×3.2×1.25，=0.25×4×0.8×1.25，=〔0.25×4〕×〔0.8×1.25〕，=1×1，=1；〔43〕9.99×1.01，=〔10﹣0.01〕×1.01，=10.1﹣0.0101，=10.0899；〔44〕4.63×1.4+46.3×0.86，=46.3×0.14+46.3×0.86，=46.3×〔0.14+0.86〕，=46.3×1，=46.3；〔45〕17.5÷0.8÷12.5，=17.5÷〔0.8×12.5〕，=17.5÷1，=17.5；〔46〕0.9+9.9+99.9+999.9，=1﹣0.1+10﹣0.1+100﹣0.1+1000﹣0.1，=〔1+10+100+1000〕﹣〔0.1+0.1+0.1+0.1〕，=1111﹣0.4，=1110.6〔47〕2.9×99+2.9=〔99+1〕×2.9，=100×2.9，=290；〔48〕25×11.2×4=25×4×11.2，=100×11.2，=1120；〔49〕23.25﹣6.75﹣3.25=23.25﹣〔6.75+3.25〕，=23.25﹣10，=13.25

〔50〕125×3.2×2.5，=125×8×0.4×2.5，=〔125×8〕×〔0.4×2.5〕，=1000×1，=1000；〔51〕3.6×10.1，=3.6×〔10+0.1〕，=3.6×10+3.6×0.1，=36+0.36，=36.36；〔52〕5.8×2.7+0.58×73，=5.8×2.7+5.8×7.3，=5.8×〔2.7+7.3〕，=5.8×10，=58；〔53〕3.6+6.4×1.8，=3.6+11.52，=15.12；〔54〕〔1.48+3.02〕÷〔3.6×0.5〕，=4.5÷1.8，=2.5；〔55〕〔36.7﹣4.9〕×101﹣31.8，=31.8×101﹣31.8，=31.8×〔101﹣1〕，=31.8×100，=3180〔56〕6.33×101﹣6.33=6.33×〔101﹣1〕，=6.33×100，=633；〔57〕35.6﹣5×1.73，=35.6﹣8.65，=26.95；〔58〕1.6×55.4﹣55.4×0.6，=55.4×〔1.6﹣0.6〕，=55.4×1，=55.4；〔59〕17.68÷5.2+2.7×1.5，=3.4+4.05，=7.45〔60〕1.08×0.8÷0.27=1.08÷0.27×0.8，=4×0.8，=3.2；〔61〕102×0.45=〔100+2〕×0.45，=100×0.45+2×0.45，=45+0.9，=45.9；〔62〕22.78÷1.25÷0.8=22.78÷〔1.25×0.8〕，=22.78÷1，=22.78；〔63〕0.34×101﹣0.34=〔101﹣1〕×0.34，=100×0.34，=34〔64〕0.125×32×2.5，=〔0.125×8〕×〔4×2.5〕，=1×10，=10；〔65〕0.8×6.3﹣0.8×3.8，=0.8×〔6.3﹣3.8〕，=0.8×2.5，=2；〔66〕504÷3.2×2.08，=157.5×2.08，=327.6；〔67〕〔20﹣0.8×9〕×5.7，=〔20﹣7.2〕×5.7，=12.8×5.7，=72.96〔68〕2.4×1.5+3.6÷1.5，=3.6+2.4，=6；〔69〕7.38﹣5.14+3.62﹣2.86，=〔7.38+3.62〕﹣〔5.14+2.86〕，=11﹣8，=3；〔70〕0.12×1.8+8.2×0.12，=0.12×〔1.8+8.2〕，=0.12×10，=1.2；〔71〕5.4÷[0.51÷〔1.2﹣1.03〕]，=5.4÷[0.51÷0.17]，=5.4÷3，=1.8；〔72〕[〔8.1﹣5.6〕×0.9﹣1.05]÷0.04，=[2.5×0.9﹣1.05]÷0.04，=[2.25﹣1.05]÷0.04，=1.2÷0.04，=30〔73〕10.8﹣0.8÷〔0.35+0.05〕，=10.8﹣0.8÷0.4，=10.8﹣2，=8.8；〔74〕8×[1÷〔2.3﹣2.25〕]，=8×[1÷0.05]，=8×20，=160；〔75〕2.64×9.9+0.264，=0.264×99+0.264，=0.264×〔99+1〕，=0.264×100，=26.4；〔76〕4.52+0.61+1.39+6.48=〔4.52+6.48〕+〔0.61+1.39〕，=11+2，=13；〔77〕4.27﹣〔1.96﹣1.73〕=4.27﹣0.23，=4.04；〔78〕〔294.4﹣19.2×6〕÷〔6+8〕=〔294.4﹣115.2〕÷14，=179.2÷14，=12.8；〔79〕12.5×0.76×0.4×8×2.5=〔12.5×8〕×〔0.4×2.5〕×0.76，=100×1×0.76，=76．〔80〕4.98+8.02×2.5，=4.98+20.25，=25.03；〔81〕60.8﹣40.8÷2.5，=60.8﹣16.32，=44.48；〔82〕0.8×69.6×12.5，=〔0.8×12.5〕×69.6，=10×69.6，=696；〔83〕4.98×99+4.9，=493.02+4.9，=497.92；〔84〕6.48÷3.2÷2.5，=6.48÷〔3.2×2.5〕，=6.48÷8，=0.81；〔85〕1.2×7.6+7.6×6.8，=7.6×〔1.2+6.8〕，=7.6×8，=60.8〔86〕〔9.4﹣5.8〕×2.07，=3.6×2.07，=7.452；〔87〕12.54﹣4.56﹣3.44﹣1.54，=〔12.54﹣1.54〕﹣〔4.56+3.44〕，=11﹣8，=3；〔88〕〔9.36×5+9.36+9.36×2〕×1.25，=9.36×〔5+2+1〕×1.25，=9.36×8×1.25，=9.36×〔8×1.25〕，=93.6；〔89〕7.236÷0.18﹣14.3×0.02，=40.2﹣0.286，=39.914．〔90〕9.6÷0.4×0.25，=24×0.25，=6；〔91〕29.7÷〔5.85÷0.65〕，=29.7÷9，=3.3；〔92〕7.4×9.9，=7.4×〔10﹣0.1〕，=7.4×10﹣7.4×0.1，=74﹣0.74，=73.26；〔93〕3.84﹣2.7×0.64，=3.84﹣1.728，=2.112；〔94〕8.68﹣8.68÷0.56×0.5，=8.68﹣15.5×0.5，=8.68﹣7.75，=0.93；〔95〕4.7×4.7+4.7+4.3×4.7，=4.7×〔4.7+4.3+1〕，=4.7×10，=47〔96〕2.72÷[〔8.2﹣6.5〕×0.5]=2.72÷[1.7×0.5]，=2.72÷0.85，=3.2；〔97〕9.12+9.12×9﹣60.2=〔1+9〕×9.12﹣60.2，=10×9.12﹣60.2，=91.2﹣60.2，=31；〔98〕28.4÷0.4÷0.25=28.4÷〔0.4×0.25〕，=28.4÷0.1，=284；〔99〕27.36﹣27.36÷7.6=27.6﹣3.6，=24〔100〕3.25×0.45+6.75×0.45，=0.45×〔3.25+6.75〕，=0.45×10，=4.5；〔101〕31.5﹣24.5÷3.5，=31.5﹣7，=24.5；〔102〕7.5×102，=7.5×〔100+2〕，=7.5×100+7.5×2，=750+15，=765；〔103〕6.3+3.7×2.8，=6.3+10.36，=16.66．〔104〕2.15+8.73+1.27+7.85=〔2.15+7.85〕+〔8.73+1.27〕，=10+10，=20；〔105〕11.87﹣〔8.2+1.87〕，=11.87﹣1.87﹣8.2，=10﹣8.2，=1.8；〔106〕5.42﹣3.87﹣1.13，=5.42﹣5，=0.42；〔107〕4.38﹣1.56+0.62﹣0.44，=〔4.38+0.62〕﹣〔1.56+0.44〕，=5﹣2，=3；〔108〕0.4×270×2.5，=〔0.4×2.5〕×270，=270；〔109〕〔40+1.25〕×8，=40×8+1.25×8，=320+10，=330；〔110〕〔12.5﹣0.05〕×8，=12.5×8﹣0.05×8，=100﹣0.4，=99.6；〔111〕2.6×8.5+8.5×7.4，=〔2.6+7.4〕×8.5，=85；〔112〕9.9×6.9﹣6.9×3.9，=〔9.9﹣3.9〕×6.9，=6×6.9，=41.4；〔113〕5.6×99+5.6，=5.6×〔99+1〕，=560；〔114〕2.5×〔1.9+1.9+1.9+1.9〕，=2.5×4×1.9，=10×1.9，=19；〔115〕7.2÷1.25÷8，=7.2÷8÷1.25，=0.9÷1.25，=0.72．〔116〕52.4﹣〔15+0.6〕÷1.6，=52.4﹣15.6÷1.6，=52.4﹣9.75，=42.65；〔117〕9.87×99+9.87，=9.87×〔99+1〕，=987；〔118〕46.8÷0.9÷0.4，=46.8÷〔0.9×0.4〕，=46.8÷0.36，=130；〔119〕5.5×17.3+6.7×5.5，=5.5×〔17.3+6.7〕，=5.5×24，=132〔120〕99×4.2+4.2=4.2×〔99+1〕，=4.2×100，=420；〔121〕0.25×1.25×3.2=0.25×1.25×〔4×0.8〕，=0.25×4×〔1.25×0.8〕，=1×1，=1；〔122〕6.4×14+15×6.4+6.4=6.4×〔14+15+1〕，=6.4×30，=192；〔123〕〔1.3+1.3×0.125×8〕÷〔80﹣77.4〕=〔1.3+1.3×1〕÷2.6，=2.6÷2.6，=1；〔124〕4×〔25+2.5+0.25〕÷111=〔4×25+4×2.5+4×0.25〕÷111，=〔100+10+1〕÷111，=111÷111，=1；〔125〕6.25÷[〔17.2﹣3.6×4.5〕÷0.32]=6.25÷[〔17.2﹣16.2〕÷0.32]，=6.25÷〔1÷0.32〕，=6.25÷3.125，=2〔126〕28.4×99+28.4，=28.4×〔99+1〕，=28.4×100，=2840．〔127〕0.94×2.5﹣0.45，=2.35﹣0.45，=1.9．〔128〕4×0.8×12.5×2.5，=〔4×2.5〕×〔0.8×12.5〕，=10×10，=100．〔129〕17.5÷0.25×17+13，=70×17+13，=1190+13，=1203〔130〕10.1×87，=〔10+0.1〕×87，=87+8.7，=95.7；〔131〕2.3+3.19÷〔22﹣19.8〕，=2.3+3.19÷2.2，=2.3+1.45，=3.75；〔132〕1.25×7.2，=1.25×8×0.9，=10×0.9，=9〔133〕9.1﹣1.2÷6﹣6.24=9.1﹣0.2﹣6.24，=8.9﹣6.24，=2.66；〔134〕7.3+12.8﹣3.8×2.3=20.1﹣8.74，=11.36；〔135〕〔5.36+7.64〕÷13×100=13÷13×100，=100；〔136〕7.575÷[〔5.63﹣1.88〕×0.2]=7.575÷[3.75×0.2]，=7.575÷0.75，=10.1〔137〕7.5﹣〔5.5+1.24〕，=7.5﹣5.5﹣1.24，=2﹣1.24，=0.76；〔138〕0.26+15.68+9.74+2.32，=〔0.26+9.74〕+〔15.68+2.32〕，=10+18，=28；〔139〕13.26+9.55﹣3.26，=13.26﹣3.26+9.55，=10+9.55，=19.55；〔140〕6.1+3.9﹣6.1+3.9，=6.1﹣6.1+〔3.9+3.9〕，=0+7.8，=7.8〔141〕31.7÷0.63≈50.32；〔142〕2.4×1.5+3.6÷1.5=3.6+2.4，=6；〔143〕0.32×0.25+0.08÷4=0.08+0.08÷4，=0.08+0.02，=0.08+0.02，=0.1；〔144〕〔9.6+1.48÷3.7〕÷8=〔9.6+0.4〕÷8，=10÷8，=1.25；〔145〕5.8÷[4×〔1.34﹣0.14〕]=5.8÷[4×1.2]，=5.8÷4.8，≈1.21；〔146〕5.4÷[0.51÷〔1.2﹣1.03〕]=5.4÷[0.51÷0.17]，=5.4÷3，=1.8〔147〕21.35﹣3.25﹣16.75，=21.35﹣〔3.25+16.75〕，=21.35﹣20，=1.35；〔148〕33.02﹣〔148.4﹣90.85〕÷2.5，=33.02﹣57.55÷2.5，=33.02﹣23.02，=10；〔149〕32×2.5×0.125，=4×8×2.5×0.125，=〔4×2.5〕×〔8×0.125〕，=10×1，=10；〔150〕18.1+〔3﹣0.299÷0.23〕×1，=18.1+〔3﹣1.3〕×1，=18.1+1.7×1，=18.1+1.7，=19.8〔151〕67﹣〔2.98+0.67〕，=67﹣3.65，=63.35；〔152〕8×16﹣73.8×6，=128+442.8，=570.8；〔153〕〔45+14〕÷73+710，=59÷73+710，=+710，=710〔154〕13.7×0.125×8，=13.7×〔0.125×8〕，=13.7×1，=13.7；〔155〕0.8×[13﹣〔3.12+5.28〕]，=0.8×[13﹣8.4]，=0.8×4.6，=3.68；〔156〕102×0.56，=〔100+2〕×0.56，=100×0.56+2×0.56，=56+1.12，=57.12；〔157〕1.53×1.7+0.47×1.7，=〔1.53+0.47〕×1.7，=2×1.7，=3.4〔158〕5.18+0.73+0.82，．=〔5.18+0.82〕+0.73，=6+0.73，=6.73；〔159〕0.75×1.8÷1.5，=1.35÷1.5，=0.9；〔160〕12.5×7.1×0.8，=〔12.5×0.8〕×7.1，=10×7.1，=71；〔160〕6.12×99+6.12，=6.12×〔99+1〕，=6.12×100，=612；〔162〕8.6÷0.86+8×0.35，=10+2.8，=12.8；〔163〕5.6×〔18.5﹣8.5÷0.5〕，=5.6×〔18.5﹣17〕，=5.6×1.5，=8.4〔164〕0.125×4.78×80，=0.125×4.78×8×10，=〔0.125×8〕×〔4.78×10〕，=1×47.8，=47.8；〔165〕2.8×3.6+1.4×2.8，=2.8×〔3.6+1.4〕，=2.8×5，=14；〔166〕〔0.4+40〕×2.5，=0.4×2.5+40×2.5，=1+100，=101；〔167〕78.7﹣17.7×3.6，=78.7﹣63.72，=14.98；〔168〕18÷[0.3×〔8﹣6.5〕]，=18÷[0.3×1.5]，=18÷0.45，=40；〔169〕12.7+12.5+0.5，=12.7+〔12.5+0.5〕，=12.7+13，=25.7〔170〕91÷2.6÷0.05，=35÷0.05，=700；〔171〕6.3×3.7+6.3×6.3，=6.3×〔3.7+6.3〕，=6.3×10，=63；〔172〕〔3.7+1.7×0.4〕÷2.5，=〔3.7+0.68〕÷2.5，=4.38÷2.5，=1.752；〔173〕7.28+3.2÷2.5，=7.28+1.28，=8.56；〔174〕0.74+0.9×7.4，=〔1+9〕×0.74，=10×0.74，=7.4；〔175〕7.8÷0.125÷0.8，=7.8÷〔0.125×0.8〕，=7.8÷0.1，=78〔176〕37.5÷[0.3×〔1.34﹣0.84〕]，=37.5÷[0.3×0.5]，=37.5÷0.15，=250；〔177〕〔2.5+27.75÷1.5〕×1.6，=〔2.5+18.5〕×1.6，=21×1.6，=33.6〔178〕6.21﹣3.8+2.2，=2.41+2.2，=4.61；〔179〕6.03+3.7+2.97，=〔6.03+2.97〕+3.7，=9+3.7，=12.7；〔180〕17.43﹣6.57﹣2.43，=17.43﹣〔6.57+2.43〕，=17.43﹣9，=8.43；〔181〕20.47﹣〔1.47+6.8〕，=20.47﹣1.47﹣6.8，=19﹣6.8，=12.2；〔182〕13.26+4.71+3.47+5.29，=〔13.26+3.47〕+〔4.71+5.29〕，=16.73+10，=26.73；〔183〕22.74+8.68﹣13.74，=〔22.74﹣13.74〕+8.68，=9+8.68，=17.68〔184〕10÷0.2÷2.5，=10÷〔0.2×2.5〕，=10÷0.5，=20；〔185〕64×4.5+3.6×45，=6.4×45+3.6×45，=〔6.4+3.6〕×45，=10×45，=450；〔186〕1.25×3.2×0.8，=〔1.25×0.8〕×3.2，=1×3.2，=3.2；〔187〕14.5×102，=14.5×〔100+2〕，=14.5×100+14.5×2，=1450+29，=1479；〔188〕14.64+3.7×2.8，=14.64+10.36，=25；〔189〕8.4÷0.21÷0.5，=40÷0.5，=80〔190〕0.125×9×8×0.3，=〔0.125×8〕×〔9×8〕，=1×72，=72；〔191〕4.62÷5÷0.66，=4.62÷〔5×0.66〕，=4.62÷3.3，=1.4；〔192〕5.78×2.3+5.78+5.78×6.7，=5.78×〔2.3+1+6.7〕，=5.78×10，=57.8；〔193〕7.75×[20÷〔3.24﹣3.04〕]，=7.75×[20÷0.2]，=7.75×100，=775〔194〕1.25×0.5×8×0.2，=〔1.25×8〕×〔0.5×0.2〕，=10×0.1，=1；〔195〕0.97×9+0.97，=0.97×〔9+1〕，=0.97×10，=9.7；〔196〕5.4÷[3×﹙3.8﹣2.9﹚]，=5.4÷[3×0.9]，=5.4÷2.7，=2

〔197〕0.4×〔3.2﹣0.8〕÷0.15，=0.4×2.4÷0.15，=0.96÷0.15，=6.4；〔198〕5.7+1.9×0.2÷7.6，=5.7+0.38÷7.6，=5.7+0.05，=5.75；〔199〕32.4×6.3+32.4×3.7，=32.4×〔6.3+3.7〕，=32.4×10，=324；〔200〕18.2﹣10.6×〔0.9﹣0.75〕，=18.2﹣10.6×0.15，=18.2﹣1.59，=16.61；〔201〕0.25×3.85×40，=0.25×40×3.85，=10×3.85，=38.5；〔202〕1.46×3.5+3.5×4.54，=3.5×〔1.46+4.54〕，=3.5×6，=21〔203〕7×12.5×0.8，=7×〔12.5×0.8〕，=7×10，=70；〔204〕4.7×3.6+4.7×6.4，=4.7×〔3.6+6.4〕，=4.7×10，=47；〔205〕1.45×[〔2.8+4.4〕÷2.4]，=1.45×[7.2÷2.4]，=1.45×3，=4.35〔206〕4.2×〔6.18﹣3.03〕+6.3，=4.2×3.15+6.3，=13.23+6.3，=19.53；〔207〕15.02﹣6.8﹣〔1.02+1.2〕，=15.02﹣6.8﹣1.02﹣1.2，=〔15.02﹣1.02〕﹣〔6.8+1.2〕，=14﹣8，=6；〔208〕0.6×[〔5﹣0.68〕÷1.2]，=0.6×[4.32÷1.2]，=0.6×3.6，=2.16；〔209〕2.7÷4+6.3×0.25，=2.7×0.25+6.3×0.25，=〔2.7+6.3〕×0.25，=9×0.25，=2.25；〔210〕〔6.02+2.8〕÷0.4﹣2.05，=8.82÷0.4﹣2.05，=22.05﹣2.05，=20；〔211〕3.08×3.5+6.2×3.08+3.08×0.3，=〔3.5+6.2+0.3〕×3.08，=10×3.08，=30.8〔212〕2.3+3.91÷〔22﹣19.7〕，=2.3+3.91÷2.3，=2.3+1.7，=4；〔213〕21.6÷[64.8﹣〔48.6﹣2.7×2〕]，=21.6÷[64.8﹣〔48.6﹣5.4〕]，=21.6÷[64.8﹣43.2]，=21.6÷21.6，=1〔214〕93.6×3.6+1.4×3.6，=〔93.6+1.4〕×3.6，=95×3.6，=〔100﹣5〕×3.6，=100×3.6﹣5×3.6，=360﹣18，=342；〔215〕0.25×0.8×0.125×0.4，=〔0.25×0.4〕×〔0.8×0.125〕，=0.1×0.1，=0.01；〔216〕2.7×1.5﹣2.7，=2.7×〔1.5﹣1〕，=2.7×0.5，=1.35；〔217〕9.08+5.45+11.92+4.55，=〔9.08+11.92〕+〔5.45+4.55〕，=21+10，=31；〔218〕1.25×30×1.2×0.8，=〔1.25×0.8〕×〔30×1.2〕，=1×36，=36〔219〕0.6+0.94﹣0.208，=1.54﹣0.208，=1.332；〔220〕4.85×1.25×8，=4.85×〔1.25×8〕，=4.85×10，=48.5；〔221〕〔64﹣22.4÷1.4〕×1.2，=〔64﹣16〕×1.2，=48×1.2，=57.6；〔222〕18.3﹣6.25﹣3.75，=18.3﹣〔6.25+3.75〕，=18.3﹣10，=8.3；〔223〕2.8×3.6+1.4×2.8，=2.8×〔3.6+1.4〕，=2.8×5，=14；〔224〕6.6÷[14.5﹣〔1.7+1.8〕]，=6.6÷[14.5﹣3.5]，=6.6÷11，=0.6〔225〕0.25×9.87×4，=0.25×4×9.87，=1×9.87，=9.87；〔226〕7×2.1+10.8，=77.07+10.8，=87.87；〔227〕8.45﹣0.45×0.1，=8.45﹣0.045，=8.405；〔228〕0.73×102，=0.73×〔100+2〕，=0.73×100+0.73×2，=73+1.46，=74.46；〔229〕7.8×5.6+2.3×4.4，=43.68+10.12，=53.8；〔230〕76.3×27﹣76.3×17=76.3×〔27﹣17〕，=76.3×10，=763．〔231〕7.05×23.7+7.05×76.3=〔23.7+76.3〕×7.05，=100×7.05，=705〔232〕[〔7.6﹣5.2〕÷0.4+2.54]×32，=[2.4÷0.4+2.54]×32，=[6+2.54]×32，=8.54×32，=273.28〔233〕17.68÷5.2+2.7×1.5，=3.4+4.05，=7.45；〔234〕35.6﹣5×1.73，=35.6﹣8.65，=26.95；〔235〕〔1.1﹣0.78〕×〔2.7﹣1.95〕，=0.32×0.75，=0.24〔236〕1.3×0.75×4，=1.3×3×0.25×4，=1.3×3×〔0.25×4〕，=3.9×1，=3.9；〔237〕1.08÷1.8×1.2，=0.6×1.2，=0.72；〔238〕50.4×1.9﹣1.8，=95.76﹣1.8，=93.96；〔239〕0.82×0.25+1.18×0.25，=〔0.82+1.18〕×0.25，=2×0.25，=0.5〔240〕8.5×[〔2.36+2.42〕÷0.25]，=8.5×[4.78÷0.25]，=8.5×19.12，=162.52；〔241〕3.9÷[〔1.3+0.6〕×6﹣3.6]，=3.9÷[1.3×0.6+0.6×6﹣3.6]，=3.9÷[0.78+3.6﹣3.6]，=3.9÷0.78，=5；〔242〕4.25×6.3+3.7×4.25，=4.25×〔6.3+3.7〕，=4.25×10，=42.5；〔243〕205×0.99