化简;2a-3b+〔4a-(3a-b)〕
快帮我啊
人气:376 ℃ 时间:2019-09-25 22:54:28
解答
2a-3b+〔4a-(3a-b)〕
=2a-3b+〔4a-3a+b〕
=2a-3b+a+b
=3a-2b
推荐
- [(4a+3b)(4a-3b)-(3a=3b)(2a-3b)]/5a 化简
- 化简:3a的二次方+a的二次方-(2a的二次方-2a)+(3a-a的二次方),2a-3b+[4a-(3a-b)]
- [(4a+3b)(4a-3b)-(3a=3b)(2a-3b)]/5a 化简,麻烦写下过程.
- 先化简再求值; (2a+b)(2a-b)+3(2a-b)²+(-3a)(4a-3b)其中a=-1,b=2.
- 先化简,再求值(2a-b)^2-3a(4a-3b)+(2a+b)(2a-b)-b(a+b),其中a=1,b=2
- To suggest that the student did not do the reading
- -lg5 -lg7 怎么化成1\5 1\7
- at ease,be likely to,in general,lose face,defend aganist,turn one's back to用五句话编一个故事
猜你喜欢