计算脱式 (5/6-1/4*2/3)÷1/6 (3/8-1/4)÷(8/9*3/4) 18/35÷0.6*2/3 7/8
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/08/23 11:56:23
计算脱式 (5/6-1/4*2/3)÷1/6 (3/8-1/4)÷(8/9*3/4) 18/35÷0.6*2/3 7/8*【1÷(7/10-7/20)】 下面
简便计算
4.67-(2.98+0.67) 7.85*99+7.85 (51+34/39)*2/17 7.5*0.4*25*0.8 102*7.8 14.28÷3.5÷2 2/3*1/15+14/15*2/3 97*97/98
简便计算
4.67-(2.98+0.67) 7.85*99+7.85 (51+34/39)*2/17 7.5*0.4*25*0.8 102*7.8 14.28÷3.5÷2 2/3*1/15+14/15*2/3 97*97/98
![](http://img.wesiedu.com/upload/b/22/b2291244a36dfd61345a5f7952f0b2a1.jpg)
(5/6-1/4*2/3)÷1/6
=(5/6-1/6)×6
=4/6×6
=4
(3/8-1/4)÷(8/9*3/4)
=1/8÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35×5/3×2/3
=6/7×2/3
=4/7
7/8*【1÷(7/10-7/20)】
=7/8×1÷7/20
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-0.67-2.98
=4-2.98
=1.02
7.85*99+7.85
=7.85×(99+1)
=7.85×100
=785
=(5/6-1/6)×6
=4/6×6
=4
(3/8-1/4)÷(8/9*3/4)
=1/8÷2/3
=1/8×3/2
=3/16
18/35÷0.6*2/3
=18/35×5/3×2/3
=6/7×2/3
=4/7
7/8*【1÷(7/10-7/20)】
=7/8×1÷7/20
=7/8×20/7
=5/2
4.67-(2.98+0.67)
=4.67-0.67-2.98
=4-2.98
=1.02
7.85*99+7.85
=7.85×(99+1)
=7.85×100
=785
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