[4/7-(1/3+3/4)]除以2/3用简便方法计算
答案:2 悬赏:20 手机版
解决时间 2021-02-08 18:57
- 提问者网友:沉默的哀伤
- 2021-02-07 23:26
[4/7-(1/3+3/4)]除以2/3用简便方法计算
最佳答案
- 五星知识达人网友:痴妹与他
- 2021-02-08 00:07
[4/7-(1/3+3/4)]除以2/3
=【4/7-(1/3+3/4)】*(3/2)
=(4/7)*(3/2)-(1/3+3/4)*(2/3)
=(6/7)-(1/3)*(2/3)-(3/4)*(2/3)
=(6/7)-(2/9)-(1/2)
=54/63-14/63-1/2
=40/63-1/2
祝你学习进步!
=80/126-63/126
=17/126
=【4/7-(1/3+3/4)】*(3/2)
=(4/7)*(3/2)-(1/3+3/4)*(2/3)
=(6/7)-(1/3)*(2/3)-(3/4)*(2/3)
=(6/7)-(2/9)-(1/2)
=54/63-14/63-1/2
=40/63-1/2
祝你学习进步!
=80/126-63/126
=17/126
全部回答
- 1楼网友:想偏头吻你
- 2021-02-08 01:13
(7/4) / (5/4) + (7/3) * (4/5 )
= (7/4) * (4/5) + (7/3) * (4/5)
= (7/4 + 7/3) * (4/5)
= 1 * (4/5)
= 4/5
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