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3.2+4.8=6.3-0.94=0.25×4=5×1.2=
4.8÷0.6=4.8÷24=3.6-2.4=6-4.6=
8-3.4=6×0.21=1.25×8=0.8÷0.5=
25×0.3=0.63-0.3=2.5+7.5=34×0.1=
7-0.99=21÷0.7=5×2.4=3×1.03=
3.2÷4=1.5÷30=5.1÷3=0.37÷0.37=
0.28÷14=0.16÷4=8×0.05=4×0.125=
4÷8=7.5-0.7=9-0.9=7÷2=
2.8÷0.7=21-0.21=5÷0.01=2.8×0=
7÷0.07=6.3÷0.5=0.32÷0.8=1÷0.25=
0.25×0.4=30×2.3=3.6÷1.2=2.5+1.2=
3.5×0.2=9÷0.45=0.96÷0.16=4.8-2.9=
0.5÷0.25=7.6+2.4=0.17×0.4=8.2×0.01=
1.72-0.73=0.46÷2=1.9×0.8=1.2×0.3=
1-0.92=0.16×0.7=0.56÷0.16=8÷0.6=

解:
3.2+4.8=86.3-0.94=5.360.25×4=15×1.2=6
4.8÷0.6=84.8÷24=0.23.6-2.4=1.26-4.6=1.4
8-3.4=4.66×0.21=1.261.25×8=100.8÷0.5=1.6
25×0.3=7.50.63-0.3=0.332.5+7.5=1034×0.1=3.4
7-0.99=6.0121÷0.7=305×2.4=123×1.03=3.09
3.2÷4=0.81.5÷30=0.055.1÷3=1.70.37÷0.37=1
0.28÷14=0.020.16÷4=0.048×0.05=0.44×0.125=0.5
4÷8=0.57.5-0.7=6.89-0.9=8.17÷2=3.5
2.8÷0.7=421-0.21=20.795÷0.01=5002.8×0=0
7÷0.07=1006.3÷0.5=12.60.32÷0.8=0.41÷0.25=4
0.25×0.4=0.130×2.3=693.6÷1.2=32.5+1.2=3.7
3.5×0.2=0.79÷0.45=200.96÷0.16=64.8-2.9=1.9
0.5÷0.25=27.6+2.4=100.17×0.4=0.0688.2×0.01=0.082
1.72-0.73=0.990.46÷2=0.231.9×0.8=1.521.2×0.3=0.36
1-0.92=0.080.16×0.7=0.1120.56÷0.16=3.58÷0.6=13.

分析:本题据小数的加法、减法、乘法、除法的运算法则计算即可.
点评:本题考查了学生运用计算法则进行口算小数算式的能力.
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