递等式计算(巧算)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 15:00:31
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递等式计算(巧算)
递等式计算(巧算)
递等式计算(巧算)
75÷1.25
=75÷(5÷4)
=75÷5×4
=15×4
=60