數學方程式

2010-10-15 4:13 am
-6x(3-2x8/7) = 5x(8/7-2)

回答 (2)

2010-10-15 4:18 am
✔ 最佳答案
第2個x係唔係乘號?

2010-10-14 21:11:20 補充:
-6x (3 - 2 X 8/7 ) = 5x ( 8/7 - 2 )
-6x ( 3 - 16/7 ) = 5x ( -8/7 )
-6x ( 8/7 ) = -40x/7
-48x/7 = -40x/7
-48x + 40x = 0
-8x = 0
x = 0

好似錯咗
有答案ge話請俾我
2010-10-15 4:40 am
我要做甚麼?????


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