Some Maths Q.

swegfsdafsdfsdf

2007-07-24 11:16 pm

1. a(x-b)=x X be the subject.

回答 (1)

STEVIE-G™

2007-07-24 11:19 pm

✔ 最佳答案

a(x-b)=x
ax-ab=x
ax-x=ab
(a-1)x=ab
x=ab/(a-1)

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