四道题列式解答,正确肯定采纳。
答案:2 悬赏:30 手机版
解决时间 2021-11-09 02:59
- 提问者网友:富士山上尢
- 2021-11-08 16:04
四道题列式解答,正确肯定采纳。
最佳答案
- 五星知识达人网友:冷風如刀
- 2021-11-08 16:47
76÷4+23×1/4+1/4
=76×1/4+23×1/4+1/4
=(76+23+1)×1/4
=100×1/4
=25
72.5-62.4×0.8÷3.2
=72.5-49.92÷3.2
=72.5-15.6
=56.9
(1/7+1/4)÷11/14+5/6
=11/28÷11/14+5/6
=1/2+5/6
=4/3
5/9÷[(3/7-1/14)×7/9]
=5/9÷[5/14×7/9]
=5/9÷5/18
=2
=76×1/4+23×1/4+1/4
=(76+23+1)×1/4
=100×1/4
=25
72.5-62.4×0.8÷3.2
=72.5-49.92÷3.2
=72.5-15.6
=56.9
(1/7+1/4)÷11/14+5/6
=11/28÷11/14+5/6
=1/2+5/6
=4/3
5/9÷[(3/7-1/14)×7/9]
=5/9÷[5/14×7/9]
=5/9÷5/18
=2
全部回答
- 1楼网友:鸽屿
- 2021-11-08 16:59
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