五上小数乘法小数除法口算题

五上小数乘法小数除法口算题8.4+0.21= 2.1+0.3= 0+1.5=9.3+3= 9.8+一、计算题（共50题；共250分）.直接写得数。1.7+2.05=0.06x7=0.9x0.8=2.5x20=1-0.92=53.8+10=3.5x100=0.93-0.5=.直接写得数。0.13x0.2=1-0.9=0.8x50.9x0.1=12.5x88.6+101.62-0.62=0.053x100=3.直接写得数。1.89+9= 0.24+0.6=2.5x4+2=4.4+0.04= 36.38+2=5.1+1.7=4.直接写出得数。16.8+2.1= 8.2-5.6=2.6x10=0.49+10=0.078x1000= 4.72+1000=7.2x0.5=1.8x0.95.直接写出得数9.35+4.65= 3.6-0.86= 0.99+99=0.125x16= 4.7-4.7x0.1= 10+5.5+0.1=.直接写出得数.12+35=60-19=7.3+0.8=3.14-0.04=36x2=450+9=2.5x0.4=4.9+0.7=.直接写得数.2.5x5= 0.72x5=2.7x0.3= 12.5x80=84+0.4= 4.2+7=0.9+0.3= 24+1.2=8.口算：1.25+19.9= 21.5-1.98= 1.25x80=0.5x2.4= 0.37+100= 10-0.78=9.□算下面各题。15.6x100= 10+4=1.8x5= 8.4+2=13+0.01= 0.7x0.4=9.3+0.3= 40x0.09=10.直接写出得数。1-0.92=3.5+4.28=30+100=1+0.1-1x0.1=1+0.94+0.06=0.056x1=711.直接写得数3.6+0.6=6.4+0.8=5.5+1.1=5.6+8=4.2+3=14=12.直接写出得数。①1.28+2.72=1-0.9=0.32+0.8=0.8x5=②0.9x0.1=3.11+2.22=10+0.37=12.5+12.5x7=③0.25x4=0.16x4=13.口算。①1.3—0.8=630+90=6—0.37= 100+100x0=②60x0=2.73+0.27=0.75+0.3=5x2+3=③4.3+1000=0.69+1.1=300x18=6+6x4=14.直接写得数。2.4+1.2= 3.5+0.01= 9.6+6= 5.2+13=7.1+0.71= 5.6+0.08=6+1.5=0.36+3=15.直接写出得数。3.5x0.1= 43+0.1=200x0.04=12-1.2= 1.3x0.5=0.42+0.6=6.3+0.7=0.21x0.3=5.69+0.5= 5.5+11=.直接写出得数.3x0.9=2.5x0.4=0.6x0.8=7+3.5=3.6x0.480x0.3=1.1x9=0.48+1.2=1.25x4x0.8=8.4+4x5=.直接写结果。81+0.5= 0.65+0.01= 4.8+0.06= 9+5=0.3x0.3x0.3= 0.25x7.8x4= 0.95x101=.直接写出结果。2.8+7= 0.3+0.2= 0.57+0.1=32+0.04= 16-5.7= 0.12x5=0+3.5= 3.9+0.39= 7+5=19.□算下面各题。0.5x1.2= 0.2x50=0.16x0.5= 1.1x0.1=0.25x4= 1.7x0.3=第1页共6页0.3+0.7x0.8= 1.4-0.4x2=4.8+2.1=3.6+0.6=1.7x0.5=7.9+100=20.直接写出得数。31.直接写出下面各题的得数。1.4+0.14= 0.24+0.1= 0.54+0.06 3.2x0.3=0.04x0.2= 6.05x7==0+0.9=1.25x8=2.1x0.4= 0.05x0.4=32.直接写得数。21.直接写出得数0.27+0.3=0.2x1.01= 1.24+0.4=8-0.55= 4.8x0.5= 1.2+0.6= 8.5+4.7= 80+0.04=0.6x1.2= 10+0.25=10+0.25= 0.5+0.05= 0.24+0.4= 4.5+0.09= 0.64x0.4=0.7x1.8= 9.9+0.01=22.直接写出得数。33.口算。1.2+0.3= 10.4x0.1= 0.7x0.9= 4x(2.5+0.25)= 4x0.5=7x0.03= 0.25x4= 1.25x8=0+0.26= 0.45+0.9= 0.92+0.23= 0.57x8x1.25= 3.2x0.5=4.1x2= 0.55x0.2= 8x2.5=23.口算。0.21+0.7=4.5+9= 7.2+0.9= 3.8+3.8=4.8+0.6= 0.07x0.3=0+0.45= 6.3+0.7=0.64+8= 6.6+0.06= 4.8+1.2=7a+3a= 0.24+0.8=5y-0.5y= 7x7.2=0.3x0.3=2.5+0.05= 90+0.3=0.25x4+2=1.6+1.4+1.6= 34.直接写得数：4xx7=10+0.01x0.4= 6+5=2.5x4= 20x0.524.直接写出得数。= 4.8+1.6=①0.24x5= ②3.6+0.09=③1+0.2= 1.5x5=10-4.5= 0.39+3= 7.2+4④4.2+0.2= ⑤7.2x0.01=⑥0.018+0.06= =⑦0.5x1.4x0.2= ⑧6.5+8+0.125= 3.25+2.5=3.68-2.99=25.直接写出结果。7.2x0.3=12-4.3= 35.□算3.2x0.3=2.4x0.51=30.口算。1x0.72=1.21+1.1=5.3x5= 5.6+4=0.45+0.55= 36+0.01=0.8+4=0.12+0.2=0.31-0.1=0.8x0.125= 0.56+0.7=0.15x3=0.45+3=0.04+2=0.36+0.4+9= 2.4+4x0.3=36.直接写出得数。26.直接写出得数2x0.48= 0.81+3= 0.5x2.4= 4x0.24=17x40=100-63=3.2+1.68=2.8x0.4=axa=3.2+0.4= 0.05x20= 8.2+0.01= 2.5x4=14-7.4=1.92+0.04=0.32x500=0.65+4.35=37.直接写出得数。0.35x4=8.3+6.7= 4+9= 10.2+0.01=4.2+0.7= 3.6+18= 1.12+12=27.直接写出得数.1.2+0.6= 9.1x0.13= 0.15x40=1.3x0.5= 2.5x6= 1.8x0.4= 1.6x0.59.1-38.直接写得数。2.8=0.54+0.9=5.6+1.65=0x4.75=4.2+0.42=4.6+3.7= 3x2.8= 1.9x0.3= 1.25x2.3x0.83.6+0.4= 1+0.25= 4x0.8= 0.1+0.05== 2.5x5.6x4=39.口算。0.24+0.6= 4.2+0.01= 70+0.528.口算。=2.5x4= 7.2+9= 0.36x0.5= 0.84+0.2=0+9.84= 0.28x5+0.72x5= 10.78x0.75x0=0.126+3=4.5x3= 1.2x1.1= 0.57+0.3=40.口算。3.6+9= 0.32+8= 3.6+0.9=29.口算。40x0.7=8.4+0.2=1+4= 7.2+9=3.6x0.2=3.5+10=9-3.8=0.25x8=24+0.4= 2.5+0.25= 1.8+0.3=第2页共6页

.直接写得数。0.63+0.9= 0.8x4=7-0.35=3.5+7=2.7+0.9=0.036+0.012=8+2.04=0.1+0.05=1+0.25=8.79x0=.直接写出得数.0.9x0.8= 0.8x1.2= 0.12x50= 60x0.8=1.8x0.04= 0.15x0.4= 1.3x0.004= 5.8-0.8x5=43.直接写出得数。3.9+13=3.6+12=8.1+27=0.04+2=0.88+4=1.25+5=44.口算。0.25x4=8.1+9=0.125x8=0x36.78=45.6+0.3=80.6+0.2=45.0.42x20= 3.5x0.4= 0.9x0.01= 0.4x1.2=2.1x0.3=1.02x3=0.25x4=0.42x20=46.口算。0.6x5=0.3x2=5.1x4=1.2x6=0.7x9=0.6x8=1.3x3=2.5x4=1.1x9=47.口算。0.34+0.45= 0.57+0.9= 3.8+1.2= 10-2.5-2.5=2.4x0.01= 7.8+100= 1.08x4=1+4=10+0.5=0+0.38=0.91+9.1=0.25x2=48.口算。84+2=128+4=36+3=48+8=8.4+2=12.8+4=0.36+3=0.48+8=49.口算。0.93+0.3=2.7+0.9=0.84+0.2=7.8+0.6=7.7+0.1=0.72+0.8=50.口算。0.1+0.1= 0.48+0.8=3.6+0.6=4.5+1.5=2.7+0.3=8.1+0.9=第3页共6页

10.【答案】0.08；7.78；0.3；9.9；2；0.008；11【答案】解：3.6+0.6=6；6.4+0.8=8；5.5+1.1=5；答案解析部分5.6+8=0.7；4.2+3=1.4；一、计算题8.4+0.21=40；2.1+0.3=7；0+1.5=0；9.3+3=3.1；9.8+14=0.71.【答案】1.7+2.05=3.75；0.06x7=0.42；故答案为：6；8；5；0.7；1.4；40；7；0；3.1；0.9x0.8=0.72；2.5x20=50；0.71-0.92=0.08；53.8+10=5.38；3.5x100=350；12.【答案】①1.28+2.72=4；1-0.9=0.1；0.93-0.5=0.43。0.32+0.8=0.4；0.8x5=4；2.【答案】0.13x0.2=②0.9x0.1=0.09；3.11+2.22=5.33；0.0261-0.9=0.10.8x5=40.9x0.1=0.0910+0.37=10.37；12.5+12.5x7=100；12.5x8=100 8.6+10=0.86 1.62-0.62=10.053x③0.25x4=1；0.16x4=0.64100=5.313.【答案】①1.3—0.8=0.5；630+90=7；6—3.【答案】0.37=5.63；100+100x0=100；1.89+9=0.21 0.24+0.6=0.4 2.5x4+2=5②60x0=0；2.73+0.27=3；0.75+0.3=1.05；5x2+4.4+0.04=110 36.38+2=18.19 5.1+1.7=33=13；4.【答案】16.8+2.1=18.9；8.2-5.6=2.6；③4.3+1000=0.0043；0.69+1.1=1.79；2.6x10=26；0.49+10=0.049；300x18=5400；6+6x4=30.0.078x1000=78；4.72+1000=0.00472；14.【答案】2；350；1.6；0.4；10；70；4；0.127.2x0.5=3.6；1.8x0.9=1.6215.【答案】3.5x0.1=0.35；43+0.1=430；200x0.045.【答案】9.35+4.65=14；3.6-0.86=2.74；=8；12-1.2=10.8；1.3x0.5=0.65；0.99+99=0.01；0.42+0.6=0.7；6.3+0.7=9；0.21x0.3=0.063；0.125x16=2；4.74.7x0.1=4.23；10+5.5+0.1=65。6.【答案】12+35=4760-19=417.3+0.8=5.69+0.5=11.38；5.5+11=0.5。8.13.14-0.04=3.116.【答案】3x0.9=2.72.5x0.4=10.6x0.8=36x2=72450+9=502.5x0.4=14.9+0.7=70.487+3.5=23.6x0.4=1.447.【答案】2.5x5=12.50.72x5=3.62.7x0.3=80x0.3=241.1x9=9.90.48+1.2=0.8112.5x80=10000.41.25x4x0.8=48.4+4x5=10.584+0.4=2104.2+7=0.60.9+0.3=3.24+1.2=17.【答案】81+0.5=162；0.65+0.01=65；204.8+0.06=80；9+5=1.8；8.【答案】1.25+19.9=21.15 21.5-1.98=0.3x0.3x0.3=0.027；0.25x7.8x4=7.8；19.521.25x80=1000.95x101=95.95。0.5x2.4=1.20.37+100=0.003710-0.78=9.2218.【答案】0.4；1.5；5.7；800；10.3；0.6；0；9.【答案】10；1.415.6x100=1560 10+4=2.5 1.8x5=9 8.4+2=4.19.【答案】0.6；10；0.08；0.11；1；0.51；0.96；21.224；0.86；0.613+0.01=1300 0.7x0.4=0.28 9.3+0.3=31 4020.【答案】解：1.4+0.14=10；0.24+0.1=2.4；x0.09=3.60.54+0.06=9；0+0.9=0。第4页共6页21.【答案】21.【答案】解：8-0.55=7.45；4.8x0.5=2.4；1.2蚀6=2；8.5+4.7=13.2；10+0.25=40；0.5+0.05=10；0.24+0.4=0.6；4.5+0.09=50.【答案】解：1.2+0.3=4；10.4x0.1=1.04；0.7x0.9=0.63；4x(2.5+0.25)=11；0+0.26=0；0.45+0.9=0.5；0.92+0.23=4；0.57x8x1.25=5.7.【答案】解：4.8+0.6=8；0.07x0.3=0.021；0+0.45=0；7a+3a=10a；0.24+0.8=0.3；5y-0.5y=4.5y；0.25x4+2=0.5；1.6+1.4+1.6=4.6；4xx7=28x；10+0.01x0.4=400.【答案】解：①0.24x5=1.2；②3.6+0.09=40；③1+0.2=5；④4.2+0.2=21；⑤7.2x0.01=0.072；⑥0.018+0.06=0.3；⑦0.5x1.4x0.2=0.14；⑧6.5+8+0.125=6.5.【答案】解：7.2x0.3=2.16；12-4.3=7.7；0.45+0.55=1；36+0.01=3600；0.8x0.125=0.1；0.56+0.7=0.8；0.36+0.4+9=0.1；2.4+4x0.3=0.18.【答案】解：17x40=680；100-63=37；2+1.68=4.88；2.8x0.4=1.12；axa=a2；14-7.4=6.6；1.92+0.04=18；0.32x500=160；0.65+4.35=5；0.35x4=1.4；3+6.7=15；4+9="：'；10.2+0.01=1020.【答案】1.3x0.5=0.652.5x6=151.8x0.4=0.721.6x0.5=0.89.1-2.8=6.36+3.7=8.33x2.8=8.41.9x0.3=0.57 1.25x2.3x0.8=2.3 2.5x5.6x4=5628.【答案】解：2.5x4=10；7.2+9=0.8；0.36x0.5=0.18；0.84+0.2=4.2；0.126+3=0.042；4.5x3=13.5；1.2x1.1=1.32；0.57+0.3=1.929【答案】解：40x0.7=28；8.4+0.2=42；1+4=0.25；7.2+9=0.8；3.6x0.2=0.72；3.5+10=0.35；9-3.8=5.2；0.25x8=230.【答案】1x0.72=0.72 1.21+1.1=1.1 5.3x5=26.5 5.6+4=1.44.8+2.1=6.9 3.6+0.6=6 1.7x0.5=0.85 7.9+100=0.07931.【答案】3.2x0.3=0.96 0.04x0.2=0.008 6.05x7=42.351.25x8=10 2.1x0.4=0.84 0.05x0.4=0.0232.【答案】0.27+0.3=0.9；0.2x1.01=0.202；+0.4=3.1；80+0.04=2000；0.6x1.2=0.72；10+0.25=40；0.64x0.4=0.256；0.7x1.8=1.26；9.9+0.01=990.33【答案】解：4x0.5=2；7x0.03=0.21；0.25x4=1；x8=10；3.2x0.5=1.6；4.1x2=8.2；0.55x0.2=0.11；8x2.5=2；0.21+0.7=0.3；4.5+9=0.5；7.2+0.9=8；3.8+3.8=1；6.3+0.7=9；0.64+8=0.08；6.6+0.06=110；4.8+1.2=4；7x7.2=50.4；0.3x0.3=0.09；2.5+0.05=50；90+0.3=30034.【答案】6+5=1.2 2.5x4=10 20x0.5=10 4.8+1.6=31.5x5=7.5 10-4.5=5.5 0.39+3=0.13 7.2+4=1.8.25+2.5=5.753.68-2.99=0.69.【答案】0.2；0.06；0.21；0.45；0.15；0.02.【答案】0.96；0.27；1.2；0.96；8；1； 820；10。37.【答案】4.2+0.7=6；3.6+18=0.2；1.12+12=7；751.2+0.6=2；9.1x0.13=1.183；0.15x40=6..【答案】解：0.54+0.9=0.6；5.6+1.65=7.25；0x4.75=0；4.2+0.42=10；3.6+0.4=9；1+0.25=4；4x0.8=3.2；0.1+0.05=2.【答案】解：0.24+0.6=0.4；4.2+0.01=420；70+0.5=140；0+9.84=0；0.28x5+0.72x5=5；10.78x0.75x0=0.【答案】解：3.6+9=0.4；0.32+8=0.04；3.6+0.9=4；24+0.4=60；2.5+0.25=10；1.8+0.3=641【答案】解：0.63+0.9=0.7；0.8x4=3.2；7—0.35=6.65；3.5+7=0.5；2.7+0.9=3；第5页共6页0.036+0.012=3；8+2