(0.6x-1/2):0.25=0.3:7.5,解比例
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解决时间 2021-03-13 06:05
- 提问者网友：两耳就是菩提
- 2021-03-13 02:49
(0.6x-1/2):0.25=0.3:7.5,解比例
最佳答案
- 五星知识达人网友：封刀令
- 2021-03-13 03:52
(7.5)(0.6x－1/2)=0.3×0.25
15(0.6x－1/2)=0.3×0.5
9x－7.5=0.15
9x=0.15＋7.5
9x=7.65
x=0.85
15(0.6x－1/2)=0.3×0.5
9x－7.5=0.15
9x=0.15＋7.5
9x=7.65
x=0.85
全部回答
- 1楼网友：不如潦草
- 2021-03-13 05:36
(0.6x-1/2):0.25=0.3:7.5
7.5*(0.6x-1/2)=0.25*0.3
7.5*(0.6x-1/2)=0.075
0.6x-1/2=0.075/7.5
0.6x-1/2=0.01
0.6x=0.5+0.1
0.6x=0.51
x=0.51/0.6
x=0.85
(7.5)(0.6x－1/2)=0.3×0.25
15(0.6x－1/2)=0.3×0.5
9x－7.5=0.15
9x=0.15＋7.5
9x=7.65
x=0.85
7.5*(0.6x-1/2)=0.25*0.3
7.5*(0.6x-1/2)=0.075
0.6x-1/2=0.075/7.5
0.6x-1/2=0.01
0.6x=0.5+0.1
0.6x=0.51
x=0.51/0.6
x=0.85
(7.5)(0.6x－1/2)=0.3×0.25
15(0.6x－1/2)=0.3×0.5
9x－7.5=0.15
9x=0.15＋7.5
9x=7.65
x=0.85
- 2楼网友：愁杀梦里人
- 2021-03-13 04:10
(0.6x-1/2):0.25=0.3:7.5
7.5*(0.6x-1/2)=0.25*0.3
7.5*(0.6x-1/2)=0.075
0.6x-1/2=0.075/7.5
0.6x-1/2=0.01
0.6x=0.5+0.1
0.6x=0.51
x=0.51/0.6
x=0.85
7.5*(0.6x-1/2)=0.25*0.3
7.5*(0.6x-1/2)=0.075
0.6x-1/2=0.075/7.5
0.6x-1/2=0.01
0.6x=0.5+0.1
0.6x=0.51
x=0.51/0.6
x=0.85
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