7.25x5.6+17.25x4.4用简算
答案:2 悬赏:0 手机版
解决时间 2021-03-22 00:45
- 提问者网友：却不属于对方
- 2021-03-21 14:56
7.25x5.6+17.25x4.4用简算
最佳答案
- 五星知识达人网友：底特律间谍
- 2021-03-21 15:34
7.25x5.6+17.25x4.4
=7.25x5.6+(10+7.25)x4.4
=7.25x5.6+7.25x4.4+10×4.4
=7.25x（5.6+4.4）+44
=7.25×10+44
=72.5+44
=116.5
=7.25x5.6+(10+7.25)x4.4
=7.25x5.6+7.25x4.4+10×4.4
=7.25x（5.6+4.4）+44
=7.25×10+44
=72.5+44
=116.5
全部回答
- 1楼网友：撞了怀
- 2021-03-21 15:57
7.25x5.6+17.25x4.4
=7.25×（10-4.4）+17.25×4.4
=7.25×10+（17.25-7.25）×4.4
=72.5+10×4.4
=72.5+44
=116.5
=7.25×（10-4.4）+17.25×4.4
=7.25×10+（17.25-7.25）×4.4
=72.5+10×4.4
=72.5+44
=116.5
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