1.7乘2.8加17乘0.72简便
答案:4 悬赏:50 手机版
解决时间 2021-11-27 03:32
- 提问者网友:饥饿走向夜
- 2021-11-26 13:43
1.7乘2.8加17乘0.72简便
最佳答案
- 五星知识达人网友:上分大魔王
- 2021-11-26 14:56
1.7×2.8+17×0.72
=1.7×2.8+1.7×7.2
=1.7×(2.8+7.2)
=1.7×10
=17
=1.7×2.8+1.7×7.2
=1.7×(2.8+7.2)
=1.7×10
=17
全部回答
- 1楼网友:冷風如刀
- 2021-11-26 16:38
1.7乘2.8加17乘0.72简便
1.7x2.8+17x0.72
=17x0.28+17x0.72
=17x(0.28+0.72)
=17x1
=17
1.7x2.8+17x0.72
=17x0.28+17x0.72
=17x(0.28+0.72)
=17x1
=17
- 2楼网友:duile
- 2021-11-26 16:08
1.7x2.8+17x0.72
=1.7x2.8+1.7x7.2
=1.7x(2.8+7.2)
=1.7x10
=17
=1.7x2.8+1.7x7.2
=1.7x(2.8+7.2)
=1.7x10
=17
- 3楼网友:玩世
- 2021-11-26 15:51
1.7×2.8+17×0.72
=1.7×2.8+1.7×0.72×10
=1.7×(2.8+7.2)
=1.7×10
=17
=1.7×2.8+1.7×0.72×10
=1.7×(2.8+7.2)
=1.7×10
=17
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