6/13×5/12+7/12×5/13用简便方法计算
答案:3 悬赏:0
解决时间 2021-02-22 04:58
- 提问者网友：月葬花瑰
- 2021-02-21 07:11
6/13×5/12+7/12×5/13用简便方法计算
最佳答案
- 二级知识专家网友：承载所有颓废
- 2021-02-21 08:02
12
=5/13
=5/12+7/12×5/13
=5/13×13/13×（6/12）
=5/12+7ǜ/12+7/12×5/13×6/13×5/
=5/13
=5/12+7/12×5/13
=5/13×13/13×（6/12）
=5/12+7ǜ/12+7/12×5/13×6/13×5/
全部回答
- 1楼网友：傲娇菇凉
- 2021-02-21 10:31
13
=5/12+7/12×5/13
=5/13×1
=5/13×（6/12）
=5/12+7ǜ/12+7/12×5/13×6/13×5/
- 2楼网友：单身小柠`猫♡
- 2021-02-21 09:39
2/5×4+1/5×2/13+2/5×12/13
=2/5×4+2/5×1/13+2/5×12/13
=2/5×4+2/5×(1/13+12/13)
=2/5×4+2/5×1
=2/5×(4+1)
=2/5×5
=2
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