题目内容
计算.
0.35×9.25-0.37×0.75 5.7×1.2÷19.
0.35×9.25-0.37×0.75 5.7×1.2÷19.
分析:(1)同时运算两个乘法,再算减法;
(2)按照从左到右的顺序计算.
(2)按照从左到右的顺序计算.
解答:解:(1)0.35×9.25-0.37×0.75,
=3.2375-0.2775,
=2.96;
(2)5.7×1.2÷19,
=6.84÷19,
=0.36.
=3.2375-0.2775,
=2.96;
(2)5.7×1.2÷19,
=6.84÷19,
=0.36.
点评:1、如果是同一级运算,一般按从左往右依次进行计算;2、如果既有加减、又有乘除法,先算乘除法、再算加减.
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