初一上册数学化简计算化简求过程:(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²) (3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a
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![初一上册数学化简计算化简求过程:(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²) (3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a](/uploads/image/z/1060603-43-3.jpg?t=%E5%88%9D%E4%B8%80%E4%B8%8A%E5%86%8C%E6%95%B0%E5%AD%A6%E5%8C%96%E7%AE%80%E8%AE%A1%E7%AE%97%E5%8C%96%E7%AE%80%E6%B1%82%E8%BF%87%E7%A8%8B%EF%BC%9A%281%29%EF%BC%884a%26%23178%3Bb-10b%26%23179%3B%EF%BC%89%2B%EF%BC%88-3a%26%23178%3Bb%26%23178%3B%2B10b%26%23179%3B%29++++++++++%282%29+%284x%26%23178%3By-5xy%26%23178%3B%29-%283xy%26%23178%3B-4xy%26%23178%3B%29+++++++%283%29+5a%26%23178%3B-%5B+a%26%23178%3B%2B%EF%BC%885a%26%23178%3B-2a%29-2%28a%26%23178%3B-3a%29%5D++++++%284%29+15%2B3%281-a%29-%281-a-a)
初一上册数学化简计算化简求过程:(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²) (3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a
初一上册数学化简计算
化简求过程:(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²) (3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a²)+(1-a+a²-a³) (5) (4a²b-3ab)+(-5a²b+2ab) (6)(6m²-4m-3)+(2m²-4m+1) 在线等啊!!!!
初一上册数学化简计算化简求过程:(1)(4a²b-10b³)+(-3a²b²+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²) (3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a
(1)(4a²b-10b³)+(-+10b³) (2) (4x²y-5xy²)-(3xy²-4xy²)
=4a²b-10b³-3a²b²+10b³ =4x²y-5xy²-3xy²+4xy²
=a²b =4x²y-4xy²
(3) 5a²-[ a²+(5a²-2a)-2(a²-3a)] (4) 15+3(1-a)-(1-a-a²)+(1-a+a²-a³)
=5a²-[ a²+5a²-2a-2a²+6a] = 15+3-3a-1+a+a²+1-a+a²-a³
=5a²-a²-5a²+2a+2a²-6a =2a+a²+a³+18
=a²-4a
(5) (4a²b-3ab)+(-5a²b+2ab) (6)(6m²-4m-3)+(2m²-4m+1)
= 4a²b-3ab-5a²b+2ab =6m²-4m-3+2m²-4m+1
=-a²b-ab =8m²-8m+1
1、(4a²b-10b³)+(-3a²b²+10b³)
=4a²b-10b³-3a²b²+10b³
= 4a²b-3a²b²
2、 (4x²y-5xy²)-(3xy²-4xy²) <...
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1、(4a²b-10b³)+(-3a²b²+10b³)
=4a²b-10b³-3a²b²+10b³
= 4a²b-3a²b²
2、 (4x²y-5xy²)-(3xy²-4xy²)
=4x²y-5xy²-3xy²+4xy²
=4x²y-4xy²
3、5a²-[ a²+(5a²-2a)-2(a²-3a)]
=5a²-a²-5a²+2a+2a²-6a
= a²-4a
4、15+3(1-a)-(1-a-a²)+(1-a+a²-a³)
=15+3-3a-1+a+a²+1-a+a²-a³
=18-3a+2a²-a³
5、(4a²b-3ab)+(-5a²b+2ab)
=4a²b-3ab-5a²b+2ab
= -a²b-ab
6、(6m²-4m-3)+(2m²-4m+1)
=6m²-4m-3+2m²-4m+1
=8m²-8m-2
收起
和他们的一样