简便运算:47.85÷6.38×0.638
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 00:39:45
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简便运算:47.85÷6.38×0.638
简便运算:47.85÷6.38×0.638
简便运算:47.85÷6.38×0.638
原式
=4.785÷0.638×0.638
=4.785×(0.638÷0.638)
=4.875×1
=4.875
用0.638除以6.38得0.1
再用0.1乘47.85得最后结果 4.785