(5/9+1/36)*9+3/4 (5/12+1/6)/(2/5*7/8) 7.6/13+5.4*1/13 5/6/{(0.5-3/16)*8/9}简便计算
答案:2 悬赏:20
解决时间 2021-03-14 20:14
- 提问者网友:先森请一心
- 2021-03-14 09:31
(5/9+1/36)*9+3/4 (5/12+1/6)/(2/5*7/8) 7.6/13+5.4*1/13 5/6/{(0.5-3/16)*8/9}简便计算
最佳答案
- 二级知识专家网友:心与口不同
- 2021-03-14 09:47
(5/9+1/36)*9+3/4
=5/9*9+1/36*9+3/4
=5+(1/4+3/4)
=5+1
=6
(5/12+1/6)/(2/5*7/8)
=7/12÷7/8÷2/5
=2/3÷2/5
=5/3
7.6/13+5.4*1/13
=(7.6+5.4)*1/13
=13*1/13
=1
5/6/{(0.5-3/16)*8/9}
=5/6÷{5/16*8/9}
=5/6÷5/18
=3
=5/9*9+1/36*9+3/4
=5+(1/4+3/4)
=5+1
=6
(5/12+1/6)/(2/5*7/8)
=7/12÷7/8÷2/5
=2/3÷2/5
=5/3
7.6/13+5.4*1/13
=(7.6+5.4)*1/13
=13*1/13
=1
5/6/{(0.5-3/16)*8/9}
=5/6÷{5/16*8/9}
=5/6÷5/18
=3
全部回答
- 1楼网友:都不是誰的誰
- 2021-03-14 11:09
2.7×0.5+2.7×2
=2.7×(0.5+2)
=2.7×2.5
=2.7×(10÷4)
=2.7×10÷4
=6.75
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