簡單數學題一題,快?

2016-09-11 11:32 am

(x+2):x=3:2
我要steps,thank you

回答 (10)

2016-09-11 1:20 pm

✔ 最佳答案

(x+2):x=3:2
2x+4=3x
x=4

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2016-10-13 12:56 am

x+2/x =3/2
2(x+2)=3x
2x+4=3x
3x-2x=4
x=4

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2016-10-05 11:38 pm

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2016-10-03 9:39 am

x=4

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2016-09-18 11:25 pm

(x+2):x=3:2
(x+2)/x=3/2
2(x+2)=3x
2x+4=3x
x=4

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2016-09-18 11:51 am

2x+4=3x
-x+4=0
-x=-4
x=4

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2016-09-17 4:47 am

(x+2):x=3:2
(x+2)/x=3/2
2(x+2)=3x
2x+4=3x
x=4

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2016-09-16 10:26 am

2x+4=3x
x=4

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2016-09-16 8:37 am

外項=內項，4

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2016-09-14 4:25 pm

(x+2):x=3:2
(x+2)/x=3/2
3x=2(x+2)
3x=2x+4
x=4

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