7/13×5/8+2/13×7/16减1/13×3又1/2
答案:1 悬赏:10 手机版
解决时间 2021-02-01 10:10
- 提问者网友:饥饿走向夜
- 2021-02-01 02:09
7/13×5/8+2/13×7/16减1/13×3又1/2
最佳答案
- 五星知识达人网友:何以畏孤独
- 2021-02-01 03:24
7/13×5/8+2/13×7/16-1/13×3又1/2
=7/13×5/8+7/13×1/8-7/13×1/2
=7/13×(5/8+1/8-1/2)
=7/13×1/4
=7/52
=7/13×5/8+7/13×1/8-7/13×1/2
=7/13×(5/8+1/8-1/2)
=7/13×1/4
=7/52
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