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答案
3/2(3b+2)-6/1(3b-1)=-1又2/1
2006-10-16 4:54 am
回答 (2)
2006-10-16 5:02 am
✔ 最佳答案
3/2(3b+2) - 6/1(3b-1) = -1 9/2b + 3 - 18b + 6 = -1 (拆括號）
-9/2b = -10
9b = 20
b = 20/9
2006-10-16 8:50 am
Should it be:
2/3(3b+2)-1/6(3b-1)=-1 1/2??
4(3b+2) - (3b-1) = -9
12b+8-3b+1 = -9
9b = -18
b = -2
2/3(3b+2)-1/6(3b-1)=-1 1/2??
4(3b+2) - (3b-1) = -9
12b+8-3b+1 = -9
9b = -18
b = -2
收錄日期: 2021-04-12 21:33:12
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061015000051KK05865