[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙＋3.85﹚＋﹙﹣4.3﹚×﹙3.85﹚＋8×77/20（要过
答案:1 悬赏:60 手机版
解决时间 2021-03-09 10:33
- 提问者网友：謫仙
- 2021-03-08 13:49
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5] ﹙﹣2.3﹚×﹙＋3.85﹚＋﹙﹣4.3﹚×﹙3.85﹚＋8×77/20（要过
最佳答案
- 五星知识达人网友：琴狂剑也妄
- 2021-03-08 14:07
[﹙﹣6﹣9/2﹚÷19/4]÷[﹙2﹣10/3﹚×6/5]
=[﹙﹣21/2﹚×4/19]÷[﹙-4/3﹚×6/5]
=[﹣42/19]÷[-8/5]
=(-42/19)×(-5/8)
=210/152
﹙﹣2.3﹚×﹙＋3.85﹚＋﹙﹣4.3﹚×﹙3.85﹚＋8×77/20
=﹣2.3×3.85﹣4.3×3.85＋8×3.85
=(﹣2.3﹣4.3＋8)×3.85
=1.4×3.85
=0.7*7.7
=5.39
=[﹙﹣21/2﹚×4/19]÷[﹙-4/3﹚×6/5]
=[﹣42/19]÷[-8/5]
=(-42/19)×(-5/8)
=210/152
﹙﹣2.3﹚×﹙＋3.85﹚＋﹙﹣4.3﹚×﹙3.85﹚＋8×77/20
=﹣2.3×3.85﹣4.3×3.85＋8×3.85
=(﹣2.3﹣4.3＋8)×3.85
=1.4×3.85
=0.7*7.7
=5.39
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