2.25×1.8+12.5×0.18的简便计算
答案:4 悬赏:50 手机版
解决时间 2021-02-22 14:49
- 提问者网友:我们很暧昧
- 2021-02-22 06:43
2.25×1.8+12.5×0.18的简便计算
最佳答案
- 五星知识达人网友:逐風
- 2021-02-22 07:32
2.25×1.8+12.5×0.18的简便计算
=2.25x1.8+1.25x1.8
=(2.25+1.25)x1.8
=3.5x1.8
=6.3
=2.25x1.8+1.25x1.8
=(2.25+1.25)x1.8
=3.5x1.8
=6.3
全部回答
- 1楼网友:蓝房子
- 2021-02-22 10:06
如图追答
- 2楼网友:话散在刀尖上
- 2021-02-22 08:47
2.25×1.8+12.5×0.18
=2.25×1.8+1.25×1.8
=(2.25+1.25)×1.8
=3.5×1.8
=3.5×2-3.5×0.2
=7-0.7
=6.3
=2.25×1.8+1.25×1.8
=(2.25+1.25)×1.8
=3.5×1.8
=3.5×2-3.5×0.2
=7-0.7
=6.3
- 3楼网友:独钓一江月
- 2021-02-22 08:21
2.25×1.8+12.5×0.18
=2.25×1.8+1.25×1.8
=1.8×(2.25+1.25)
=1.8×3.5
=(2-0.2)×3.5
=2×3.5-0.2×3.5
=7-0.7
=6.3
=2.25×1.8+1.25×1.8
=1.8×(2.25+1.25)
=1.8×3.5
=(2-0.2)×3.5
=2×3.5-0.2×3.5
=7-0.7
=6.3
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