25乘以1.2减1.87怎么简便计算
答案:3 悬赏:20 手机版
解决时间 2021-11-22 14:34
- 提问者网友:兔牙战士
- 2021-11-22 08:49
25乘以1.2减1.87怎么简便计算
最佳答案
- 五星知识达人网友:渡鹤影
- 2021-11-22 10:04
25x1.2-1.87
=25x4x0.3-2+0.17
=100x0.3-2+0.17
=30-2+0.17
=28.17
=25x4x0.3-2+0.17
=100x0.3-2+0.17
=30-2+0.17
=28.17
全部回答
- 1楼网友:一袍清酒付
- 2021-11-22 11:45
25x1.2-1.87
=25x0.4x3-2+0.13
=10x3-2+0.13
=30-2+0.13
=28.13
=25x0.4x3-2+0.13
=10x3-2+0.13
=30-2+0.13
=28.13
- 2楼网友:梦中风几里
- 2021-11-22 11:25
25乘以1.2减1.87怎么简便计算
=25x0.4x3-1.87
=10x3-1.87
=30-1.87
=28.13
=25x0.4x3-1.87
=10x3-1.87
=30-1.87
=28.13
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