三点72 9点九再加上372简便计算(37÷9+26÷9怎么简算)

三点72 9点九再加上372简便计算(37÷9+26÷9怎么简算)

首页维修大全综合更新时间:2024-03-08 07:25:50

三点72 9点九再加上372简便计算

3.72×9.9+0.372

=3.72×9.9+3.72×0.1

=3.72×(9.9+0.1)

=3.72×10=37.2

3.72×9.9+0.372

=0.372×99+0.372

=0.372×(99+1)

=0.372×100=37.2

3.72×9.9+0.372

=37.2×0.99+37.2×0.01

=37.2×(0.99+0.01)

=37.2×1=37.2

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