小数乘除法口算详解.docx
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小数乘除法口算详解
1.5×4=2.5×4=0.13×4=5.4÷10=0.18×0.3=
4.2×1000=0.45÷0.15=3.6÷0.1=8.5×100=8.5÷1.7=
3.2÷100=1.2÷0.3=
0.49÷7=0.04×25=0.096÷0.03=84÷4.2=1000×0.756=0.5×100=0÷0.25=1÷0.01=
1.25×8=
小数乘除法口算
3.8×2=7.2÷0.9=1.6×0.2=9.3÷0.3=
4÷0.4=0.45÷0.5=0.2÷0.01=0.9×6=2.1×0.3=
7×0.08=1.87×0=
0.24×5=0.2×0.5=60×0.5=
0.05×1.6=0.5×1.1=0.8×0.5=6÷0.12=1.25×4=
4×0.25=0.4÷8=
1.8×0.5=8÷0.5=0.32÷16=
2.5÷10=6.3÷2.1=
0.92÷4=80÷1.6=6.2+1.7=
0.56÷14=
1.6÷0.8=
6.3÷9=
0.15×8=
7.2÷0.6=
4.2÷1.4=
3.9÷3.9=
0÷6.81=
1.47×0.4=
0.4×0.25=
3.6÷1.2=
0.72÷0.9=
3÷8=
5.6÷1.4=
4.8÷0.4=
4.4÷4=
2.6÷13=
3.8÷1.9=
7.2÷0.4=
1÷0.25=
0.78÷6=
2.4÷24=
5.5÷11=
6.6÷0.6=
0.18÷2=
34÷0.2=
3.5×4=
2.4-0.6=
0.62-0.32=
9.8×0.5=
0.25×4=
9.46×10=
12÷0.6=
0.4×0.5=
4.6×5=
9.13+2.1=
1÷0.25=
0.47+0.34=
9.6÷0.2=
0.56÷0.8=
9.13×0=
53.4÷10=
5.5+1.8=
0.36÷0.4=
60×0.8=
1÷0.25=
1-0.62=
7-0.23=
4.3-2.5=0.17+0.06=1.02-0.09=720÷800=
0.17+0.6=0.83-0.6=17×300=0.98-0.09=
0.2+0.78=0.6×0.7=10.2+0.02=0.15+0.7=
6.7+2.5=10.2+0.2=9.2-6.1=8.5÷5=
3.2-3.2=3.7+2.3=2.5×100=3.12-0.32=
2+2.8=3.8-2.9=0.35+0.5=0.35+0.63=
3.5÷70=3.1+3=3.8+0.38=7.5÷25=
3.8+1=0.95-0.05=4.5+7.8=3.1+0.3=
3+0.3=6.3÷9=4.5-0.4=9.5-5=
1.1×9=9.53-1.53=9.5-0.5=3.5+2.4=
1-0.95=0.3+0.27=0.47+0.13=4.5+4=
4-0.6=0.95+0.05=2.5+3.2=0.74+0.16=4.8÷40=53÷100=5.1+2.3=1.25×80=
0.78÷10=0.52+0.4=7×1.2=0.25×100=
3.4-2.8=0.6-0.37=0.052×10=10+0.08=
1-0.75=0.5×1000=7.82+0.3=13.5+6.5=
3.05×100=1.2-0.8=21.6-12.6=63÷100=
0.83-0.5=0.76+0.14=80÷1000=2.7+0.4=
0.72-0.42=0×10.5=0.92-0.2=3.5+4.8=
3.5+2.4=5+0.07=1-0.61=0.47+0.23=0.25+0.75=3.7+0.33=0.51+0.33=1-0.6=
8-4.6=5.8-3.6=0.52+0.4=6.45+5.5=
4.5-1.3=3.4-2.8=9.53-1.53=8.8-6.7=
10+0.08=9.5-7.3=7.2+0.8=7.82+0.3=
8.8-6.7=1-0.95=
3.4-2.8=0.96-0.35=
9.53-1.53=0.25+0.75=1.2-0.8=0.83-0.5=2.7+0.4=0.77÷11=
3.56×10=
0.9×7=
30.5÷5=
8×0.04+3=
5.3×0.1=
41.2+21=
5.66÷0.2=
8.4÷0.7=
501-98=
0.1×9.02=
110÷100=
1.01×9=
3.1×10=
125×7+125=
0.65×5=
0.1×7=
32.5÷0.5=
2.58÷0.2=
0.7+7.32=
480+199=
63÷0.7=
4×1.8=
0.3+4.44=
2.01×7=
10÷8=
0.8+7.62=
0.12×8=4.2÷0.1=
1.6×3=1.2×0.6=100÷200=6.2×0.3=
0.6×0.7=2.8÷70=0.9×0.4=2.1÷7÷0.1=
5×2.1=2.5×4×0.5=50×0.04=
3.4÷0.1=
6.9÷3=100×2.5×0.4=
1.26+0.74=
2.34-1.34=
6.3÷9=
8.2÷1.9=
1.26+0.74=
9÷5=
1-0.25-0.75=
1.6-0.9=
3.44+0.56=
1.2÷4=
3.1+2.5+0.9=
6.8-2.9=
4.2-0.8=
7.34÷2=
9.7×2+0.3×2=
125×4=
0.6×9=
5.4÷1.8=
38×0.01+0.02=
2.7÷30=
1.01×5=
510÷100=
(1.2+0.6)×0.1=
7.4-2.4=
3.7+4.2=
2.4×3=
34×567×0=
3.2÷0.04=
0.54÷0.9=
0.4×2.5=
3.6+5.8+4.2=
0.15÷0.3=
3.18×100=
41×0.4=
0.86÷0.2=
0.08+5=
1.8×30=
80×0.4=
0.03÷0.01+0.3=
1.2÷6=
6.4÷4=
3.6÷40=
(1.5+0.5)÷2=
3.2÷1.6=
7-0.16=
9.9÷3=
9.8-2.9-3.1=
8×20÷5=0.8×1.25×15=
4-3.2=
1-0.99=
4.1+4.14=
0.6+0.8=
0.81÷0.9=
1÷0.01=
0.9÷0.45=
0.48÷0.24=
1.8+0.9=
0.28+0.2=
6.5-5.6=
9.65-5=
1.6÷0.04=
0.24×0.5=
1.85×0.1=
1.2×0.7=
0.09÷3=
4.9÷7=
0.86-0.6=
0.58-0.41=
4.2×2=
1.1×3=
0.32+0.21=
7.2+2.8=
10×0.35=
0.06×100=
0.57-0.27=
0.86-0.4=
0.74+0.54=
0.32+0.21=
12.3÷10=
6.53÷100=
12÷100=
0.16÷10=
1-0.42=
5.2+3.5=
0.61-0.3=
0.8-0.08=
3.6÷6=
8.4÷4=
0.64÷8=
0.6×8=
2.4÷8=
0.06÷3=
20×0.5=
1000×0.09=
6.6+1.4=
3.9-2=
0.837-0.837=7.3+1.7=
0.35÷7=2.8×4=0.5×0.5=2.5×10=
0.06×0.9=0.05×1.6=0.5×0.05=0.3×0.03=
3.6÷0.3=0.54÷0.6=0.12÷0.4=0.45÷0.5=
0.25×4=
2.5×0.4=
1.25×0.8=
12.5×0.8=
8.5-2.9=
4.8-4=
3.8+4.02=
3.42+0.48=
3.7÷0.1=
2÷0.2=
1.2÷0.03=
0÷1.8=
1.08-0.8=
2-0.01=
7.51+1.49=4.6+3=
0.8×0.25=
110×0.1=
15÷0.5=
0.32÷0.004=
8.1÷0.3=
0.92×0=
0.1×0.001=
0.8÷0.02=
3.6÷2.4=
0.2×1.8=
4-2.56=1.57+4.02=9.94-5.83=2.4×3=
24×0.03=
5.6+0.24=
14.7+3.89-4.7=4.56+9.1+0.44=4.2-3.5=
1.76+2.83+0.24=6.26-3.65-1.35=1.74+3.26=
1.2-0.9=
0.54÷0.6=
0.26×0.3=
1÷0.05=
20×0.4=
2.8+10.2=
7-0.9=
0.55+0.3=
0.8+0.2=
16÷0.4=
0.14×5=
2.5×4=
15.3-10=
3.3+7=
6÷10=
0.86+2.14=
0.37+4=
3.2÷0.8=
0.45+0.55=
6.4÷8=
0.1×9.2=
11÷100=
1.01×9=
3.1×10=
0.65×5=
0.1×7=
32.5÷0.5=
2.58÷0.2=
0.7+7.32=
6.3÷7=
8×1.8=
0.3+4.44=
2.08×7=
10÷8=
0.8+7.62=
0.12×8=
4.2÷0.1=
1.6×3=
1.2×0.6=
100÷200=
6.2×0.3=
0.6×0.7=
2.8÷70=
0.9×0.4=
2.1÷7÷0.1=
5×2.1+2.1=
2.5×4×0.5=
50×0.04+420=
3.4÷0.1-21=
100×2.1×0.03=
6.3÷9=9÷5=
4.3+2.7=
0.75+0.25=
4-0.26=
0.35+2.7=
4.6-1.9=
0.83-0.3=
3+0.05=
7.2-3.8=
0.07+0.6=
1.39-0.39=
10-5.4=
8.2÷1.9=
1.2÷4=
3.44+0.56=
6.8-2.9=
0.6×9=
4.2-0.8=
7.34÷2=
5.4÷1.8=
2.7÷30=
7.34-2.14=
1.01×5=
510÷100=
3.74+4.26=
2.4×8=
3.2÷0.04=
0.54÷0.9=
0.4×2.5=
0.16÷0.3=
3.18×100=
41×0.4=
0.86÷0.02=
0.08+5=
1.8×30=
800×0.4=
1.2÷6=
3.6÷40=
3.2÷1.6=
7-0.16=
4.08+0.3=
9.3-3.5=
190÷0.2=
3.6÷0.3=
1.2×0.4=
50.5÷5=
4.2-0.8=
0.8×0.4=
0.8÷0.1×0.5=
2.8÷0.7×20=
555÷0.5=
3.26÷2×0.01=
(5.1-2.7)÷0.6=
7.4+3.6=
2.5×40=
1.35×20=
0.56÷0.28=
6.1-2.08=
5.2×8=
7.2÷40=
4.3÷0.01=
0.06×0.8=
6.52-5.12=
3.6+1.8=
0.54×4=
0.72÷8=
9÷2=
50×0.3=
0.12×100=
6-2.09=
1.8×4=
12-6.2=
7×0.8=
10.1×6=
9.6-0.7-0.3=
1.25×8×0.74=
1.8+2.2+6.4=
0.6×5+0.4×5=4.27-0.6-0.4=
3.6+0.8+0.2=
8.54-1.7-2.3=
1.05×0.7=
0.42+0.58=
40.3-9=
42.5÷5=
80÷0.4=
0.75×0.2=
7×0.6=
7.2÷0.5=
80-2.6=
7.8-6.65=
4.02×300=
9.8×10=
12×0.5=
6.1÷2=
6.8+3.2=
100-32.5=
2.5÷25=
0.9+0.99=
400÷0.1=
4.5×3=
3.1×0.5=
0.83+0.2=
2.02×9=
30.3÷3=
2.74÷2=
6÷0.02=
2.76-0.36=
0.06×0.9=
5.8+3.4=
32+0.7=
25×0.01=
4.1×0.5=
19.04÷2=
0.74-0.24=
36.05÷5=
4.7+1.9=
3.46×11=
3.2÷64=
8.1÷3=
8.4-2.7=
24.32÷8=
0.9×0.6=
0.8÷0.04=
0.364×100=
16÷1.6=
7.8+0.2=
2.4÷4.8=
0.125×8=
7-1.34=
32×0.25=
9×0.36=
0.37×10=
2.9×0.6=
0.8×0.7=
5.3-2.9=
2.8+13.5=
17.2+2.8=
8.4÷4.2=
1.7×3=
8.3-3.3=
3.6+6.4=
0.84÷6=
0.7×5=
5.5+3.6=
500×1.2=
12×0.5=
16÷1.6=
5.4÷1.8=
25×0.04=
10-5.6=
1.25×80=
1.23÷3=
8-2.6=
63÷0.09=
6.2÷0.2=
7.8+2.2=
5.4÷0.9=
0.44×2=
0.25×40=
0.2×0.5=
3.1×0.5=
0.83+0.2=
2.02×9=
30.3÷3=
7.6-0.7-0.3=
3.6+6.4=
8.3-3.3=
0.4×2.5=
0.16÷0.3=
3.18×100=
41×0.4=
0.86÷0.02=
0.08+5=
1.8×30=
800×0.4=
1.2÷6=
3.6÷40=
3.2÷1.6=
7-0.16=
9.9÷3=
5.2×8=
7.2÷40=
4.3÷0.01=
0.06×0.8=
6.52-5.12=
3.6+1.8=
0.54×4=
12×0.5=
6.1÷2=
6.8+3.2=
100-32.5=
2.5÷25=
0.9+0.99=
400÷0.1=
4.5×3=
3.1×0.5=
0.83+0.2=
2.02×9=
30.3÷3=
2.74÷2=
6÷0.02=
2.76-0.36=
0.06×0.9=
5.8+3.4=
32+0.7=
25×0.01=
4.1×0.5=
19.04÷2=
0.74-0.24=
36.05÷5=
4.7+1.9=