一題數學題.........

2006-12-03 11:29 pm

1.
4b-b = -9

回答 (8)

2006-12-03 11:33 pm

✔ 最佳答案

4b - b = -9
3b = -9
b = -9/3
b = -3

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2006-12-04 8:56 am

4b-b=-9
即3b=-9
即b=-9/3
即b=-3.

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2006-12-04 3:43 am

4b-b=-9
3b=-9
3b/3=-9/3
b=-3

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2006-12-03 11:51 pm

1. -3

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2006-12-03 11:43 pm

3b=-9
b=-3

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2006-12-03 11:34 pm

4b-b=-9
3b=-9
b=-9/3
b=-3

參考: Algebra expression

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2006-12-03 11:33 pm

4b-b= -9
3b= -9
b=9/3
b=3

2006-12-03 15:34:41 補充：
sor is =-3

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2006-12-03 11:33 pm

唔知你講咩

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