1) Steven has m stamps and uses(m-1) of them. He buys another (2m+3) stamps and uses(8-m) of them.
(a) How many stamps does he use altogether?
(b) How many stamps are left?
Form 2 - Simple Polynomials (1)?
2015-10-08 7:40 am
回答 (1)
2015-10-08 8:34 am
✔ 最佳答案
(a) (m-1) + (8-m)
= 7 ... Ans
(b)
m - (m-1) + (2m+3) - (8-m)
= 3m - 4 ... Ans
收錄日期: 2021-04-18 13:59:30
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