(29.2-4)÷9,
=25.2÷9,
=2.8(米);
答:住宅每层高2.8米.
大楼高29.2米,一楼准备开商店,层高4米,上面9层是住宅.住宅每层高多少米?
大楼高29.2米,一楼准备开商店,层高4米,上面9层是住宅.住宅每层高多少米?
数学人气:415 ℃时间:2020-03-29 17:38:59
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