數學問題 (急)

2006-10-18 5:19 am

m是代數

1. 5m+2=2m+11

2. 6m+2=4m+10

回答 (6)

2006-10-18 5:36 am

1. 5m + 2 = 2m +11
5m- 2m = 11-2
3m = 9
m = 3

2. 6m +2=4m+10
6m-4m = 10-2
2m = 8
m = 4

參考: my mother

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2006-10-18 5:27 am

5m+2=2m+11
5m =2m+11-2
5m =2m+9
3m =9
m =3

6m+2=4m+10
6m=4m+10-2
2m=8
m=4

好簡單移項姐

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2006-10-18 5:26 am

1. 5m+2=2m+11
5m-2m+2=11
3m=11-2
3m=9
m=3

2. 6m+2=4m+10
6m-4m+2=10
2m=10-2
2m=8
m=4

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2006-10-18 5:25 am

1) 5m + 2 = 2m +11
5m- 2m = 11-2
3m = 9
m = 3

2) 6m +2=4m+10
6m-4m = 10-2
2m = 8
m = 4

參考: me

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2006-10-18 5:25 am

1. 5m+2=2m+11
5m =2m+11-2
5m =2m+9
3m =9
m =3

2. 6m+2=4m+10
6m=4m+10-2
2m=8
m=4

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2006-10-18 5:24 am

1. 5m+2=2m+11
5m-2m=11-2
3m=9
m=3

2. 6m+2=4m+10
6m-4m=10-2
2m=8
m=4

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