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0.6+0.6+0.6+…+0.6
200个
=200.6
×
×
(判断对错)
分析:根据乘法的意义,求几个相同加数的和的简便运算叫做乘法,求200个0.6的和是多少,用乘法计算简便.
解答:解:

故答案为:×.
点评:此题考查的目的是明确:小数乘整数的意义与整数乘法的意义相同,都表示求几个相同加数的和的简便运算,掌握小数乘法的计算法则.
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科目:小学数学 来源: 题型:阅读理解

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科目:小学数学 来源: 题型:解答题

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0.54+2.2=3.5-0.05=2÷0.02=0.25×40=
1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=
46.5+52.5=0.45×102=1.25×88=2.64+3.85+1.54=
8×1.25=5.6÷3.5=4.2÷0.7÷6=0.4×8.6×25=
0.27÷0.3=2.5×101=0.65×101-0.65=2.6×7÷2.6×7=

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