0.12×7+1.2×0.3的简便运算
答案:4 悬赏:20 手机版
解决时间 2021-03-01 00:20
- 提问者网友：刺鸟
- 2021-02-28 12:39
0.12×7+1.2×0.3的简便运算
最佳答案
- 五星知识达人网友：骨子里都是戏
- 2021-02-28 13:53
0.12×7+1.2×0.3
=0.12×7+0.12×3
=0.12x(7+3)
=0.12x10
=1.2
=0.12×7+0.12×3
=0.12x(7+3)
=0.12x10
=1.2
全部回答
- 1楼网友：舍身薄凉客
- 2021-02-28 17:06
简单
- 2楼网友：白昼之月
- 2021-02-28 16:01
0.12×7+1.2×0.3
=1.2x0.7+1.2x0.3
=1.2x(0.7+0.3)
=1.2x1
=1.2
=1.2x0.7+1.2x0.3
=1.2x(0.7+0.3)
=1.2x1
=1.2
- 3楼网友：白昼之月
- 2021-02-28 14:44
0.12×7+1.2×0.3
=0.12x7+0.12x3
=0.12x(7+3)
=0.12x10
=1.2
=0.12x7+0.12x3
=0.12x(7+3)
=0.12x10
=1.2
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