Maths

2007-05-17 3:14 am

8M-12=4M+2M+2
give me the step and answer

回答 (5)

2007-05-17 3:18 am

✔ 最佳答案

8M-12=4M+2M+2
8M-12=6M+2
8M-6M=2+12
2M=14
M=7

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2007-05-17 5:29 am

8M-12=4M+2M+2
8M-12=6M+2
8M-12+12=6M+2+12
8M=6M+14
2M=14
M=7

參考: me

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2007-05-17 3:23 am

8M-12=4M+2M+2
8M=4M+2M+2+12
8M-4M-2M=14
2M=14
2M=14/2
M=7

參考: ME

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2007-05-17 3:19 am

8m-12=4m+2m+2
8m-4m-2m=12+2
2m=14
14除2=7

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2007-05-17 3:16 am

8M-12=4M+2M+2
8M-12=6M+2
8M-6M=12+2
2M=14
M=7

2007-05-17 22:54:14 補充：
抄人的回答還成最佳...

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