三年级数学简便运算

三年级数学简便运算(1)284+(591+716)(2)153+178+122+547(3)(141+229)+(371+659+1048)(4)926－348－152(5)1584－627－373+416(6)1276－(276+339)(7)4628－(1628－794)(8)526+498(9)803+488(10)938－299(11)836－402(12)635+327+125+(363+240)(13)9999+999+99+9+6(14)32+34+36+38+40+42+44+46+48(15)(1347－258)－(347+742)(16)3560－(474－440)－526〔17〕12345+23451+34512+45123+51234(18)5+10+15+20+…+95〔19〕5+6+7+8+…+103+104〔20〕〔2+4+6+…+100〕－〔1+3+5+…+99〕四年级数学简便运〔1〕〔78＋61〕＋39〔2〕700－82－18〔3〕348＋163＋242＋410＋537〔4〕125×47－47×25〔5〕201×316〔6〕374－205＋226－95〔7〕3000－999〔8〕997×7＋21〔9〕87×470＋870×53〔10〕〔55＋55＋55＋55×5〕×125〔11〕125×〔8＋40〕×25(12〕99＋49×99〔13〕264×97＋4×264〔14〕454＋999×999＋545〔15〕9999×36＋6666×3×32〔16〕124×38＋65×124＋76×110－76×7〔17〕62×4＋44×5＋5×18〔18〕3400－62×34－38×20－38×14〔19〕1992×19911991-1991×19901990〔20〔2＋4＋6＋……＋100〕-〔1＋3＋5＋……＋99〕小数简便运算练习4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5＋4.9－6.53.07－0.38－1.621.29＋3.7＋2.71＋6.38－2.45－1.553.25＋1.79－0.59＋1.7523.4－0.8－13.4－7.20.32×4033.2＋0.36＋4.8＋1.641.23＋3.4－0.23＋6.60.25×3612.7－〔3.7＋0.84〕36.54－1.76－4.540.25×0.73×47.6×0.8＋0.2×7.60.85×1990.25×8.5×41.28×8.6＋0.72×8.612.5×0.96×0.810.4－9.6×0.350.8×〔4.3×1.25〕3.12＋3.12×9928.6×101－28.6〔4.23＋6.17〕×0.80.86×15.7－0.86×14.72.4×10214－7.32－2.682.64＋8.67＋7.36＋11.332.31×1.2×0.5〔2.5－0.25〕×0.49.16×1.5－0.5×9.163.6－3.6×0.54.5÷1.84.2÷3.5930÷0.6÷563.4÷2.5÷0.44.9÷1.43.9÷〔1.3×5〕〔7.7＋1.54〕÷0.72.5×2.42.7÷450.35×1.25×2×0.832.4×0.9＋0.1×32.415÷0.2570÷2815÷〔0.15×0.4〕4.25÷2.5×9.9＋0.17人教版六年级数学简算.计算题4/9×3=5÷1/3=1/2÷1/3=21/25÷42=4/5×3/4=8.7×0.2=4×0.25=1/7×14=2/3÷5/6=1.25×8=3/5÷5/8=6/7×3/2=6×8.8=4/11÷4=4/9×3/8=5/3÷5=0÷8/3=4/7－2/3=2/7×2＝41/12×4=4÷3/16=12÷9/4=75/8÷5=12×16/9＝2/3×3＝8÷9/4＝5/3÷3/5＝4/5×5/8＝7/9×9/7＝2.64＋3.6=2.4×50=3500÷70=2050－298=2＋7÷9=0.3÷3%=286+198＝314-202＝526+301＝223-99＝1/2×3/5＝1.89÷100=0.82+0.08=73×1=0.63×10=4÷10=17÷1000=0.56+0.4=1.25×100=5.6+99=43×63/21＝100÷25=1-0.93=90-0.9=18.3×1/3＝794－198=68×25=43.3-63/21＝72×125=3001-1998＝23/5×5/6＝20/3×12＝1/2-1/6＝30.25×4/5＝5/6-1/2＝1/2×1/5＝4.25×4/25×457.26－(5.26－1.5)106.25+3.85－2.125+3.87511.9－2456×215/11－4×2.7513.375+5.75+2.25+6.625〔15.1－9036〕÷18163.8×5.25+14.5172.1×4.3+5.7×2.119.102×45-3282.8×3.1+16/823÷(50-12.5)÷2.524×2/5×1/325.6÷110×47+63928－1/7×1/53.375×0.97+0.97×6.6256.54+2.4+3.46+0.695.6×1.8+95.6×8.235.6－420/12×4344/3.6-5.4×0.2516/2+30/2+90/65000-105×340.15/0.25+0.75×1.241×(1/2+1/3+1/4)×0.2442×(25+4)×43×63/21－840.81/0.25+5.96×5403÷13×2746.1.5×4.2－0.75÷0.253.27×4+3.27×5.7〔1.2+1.8〕×4.51025－768÷320.25×80－0.45÷0.950.1025－768÷3281.2－11÷7－×3=6696÷62－6.5×10.6=2/7×3/9÷2/7=6756－193－207=97×360＋3×360=4/9×3=5÷1/3=1/2÷1/3=2/7×3/9÷2/7=21/25÷42=4/5×3/4=8.7×0.2=4×0.25=1/7×14=2/3÷5/6=1.25×8=3/5÷5/8=6/7×3/2=6×8.8=4/11÷4=4/9×3/8=5/3÷5=0÷8/3=4/7－2/3=2/7×2＝41/12×4=4÷3/16=12÷9/4=75/8÷5=12×16/9＝2/3×3＝8÷9/4＝5/3÷3/5＝4/5×5/8＝7/9×9/7＝2.64＋3.6=2.4×50=3500÷70=2050－298=2＋7÷9=0.3÷3%=81.2－11÷7－×3=6696÷62－6.5×10.6=1.89÷100=0.82+0.08=73×1=0.63×10=4÷10=17÷1000=0.56+0.4=1.25×100=5.6+99=100÷25=1-0.93=90-0.9=794－198=68×25=6756－193－207=72×125=97×360＋3×360=一、简算。*1.1035-998*2.5076＋99*3.3008＋449*4.428×25×4**5.328-189-28**6.43.2-〔3.2-1.28〕**17.25×2×1.25×4×5×8**18.84×0.25＋16÷4二、改错，下面各题错在哪里，请改正。**2.5731-〔731-525〕=5731-731-525=5000-525=4475答案仅供参考：二、略〔1〕888+999〔2〕58-92+42-8〔3〕〔88*125+125*12〕*8〔4〕816-2304/72+8*3〔5〕3306*51/7〔6〕659-348/2〔7〕13-(2.65+3/7)〔8〕12*28/7〔9〕(7/10)/3+(3/10)/(1/3)〔10〕0.007+0.993*4*5*1.8〔11〕(522+643*521)/(522*643-121)〔12〕341*99+314*1〔13〕0.56+0.41.33333*6*11111+22222=(199998+2)*11111=200000*11111=22222000002.1/2+1/6+1/