题目内容
直接写出得数
(1)0.36+6.4=________ 12×2.5=________ 4.4÷0.44=________ 0÷0.54=________
(2)8-4.5=________ 0.08×0.1=________ 9.6÷0.3=________ 0.5×1.8=________.
解:
(1)0.36+6.4=6.76,12×2.5=30,4.4÷0.44=10,0÷0.54=0;
(2)8-4.5=3.5,0.08×0.1=0.008,9.6÷0.3=32,0.5×1.8=0.9.
故答案为:6.76,30,10,0,3.5,0.008,32,0.9.
分析:根据小数四则运算的计算方法进行计算即可.
点评:口算时注意运算符号和数据,然后再进一步计算即可.
(1)0.36+6.4=6.76,12×2.5=30,4.4÷0.44=10,0÷0.54=0;
(2)8-4.5=3.5,0.08×0.1=0.008,9.6÷0.3=32,0.5×1.8=0.9.
故答案为:6.76,30,10,0,3.5,0.008,32,0.9.
分析:根据小数四则运算的计算方法进行计算即可.
点评:口算时注意运算符号和数据,然后再进一步计算即可.
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