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2.1×0.3= 0.56÷7=
2.5×8×0.1= 1÷0.25=
0.1×3.9= 0.5×2.3×2=
3÷0.1= 0.35÷0.35=
1.8+1.2×5=
分析:根据小数乘除法的计算方法进行解答即可.
解答:解:
2.1×0.3=0.63 0.56÷7=0.08
2.5×8×0.1=2 1÷0.25=4
0.1×3.9=0.39 0.5×2.3×2=2.3
3÷0.1=30 0.35÷0.35=1
点评:此题考查了小数乘除法的口算能力,注意运算符号,细心计算即可.
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