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计算1.(6/5a³x⁴-0.9ax³)÷3/5ax³2.(7x²y
题目内容:
计算
1.(6/5a³x⁴-0.9ax³)÷3/5ax³
2.(7x²y³-8x³y²z)÷8x²y²
3.4(x+1)²-(2x+5)(2x-5)
4.3(y-z)²-(2y+x)(-z+2y)
分解因式
1.25x²-16y²
2.(a-b)(x-y)-(b-a)(x+y)
3.a²-4ab+4b²
4.4+12(x-y)+9(x-y)²
5.16x⁴-1
6.(2a-b)²+8ab优质解答
1、2xa^2-1.5
2.7y/8-xz
3.8x+29
4.3z^2-4yz-y^2+xz-2xy
(5x+4y)(5x-4y)
2x(a-b)
(a-2b)^2
[3(x-y)+2]^2
(4x^2+1)(2x+1)(2x-1)
(2a+b)^2
1.(6/5a³x⁴-0.9ax³)÷3/5ax³
2.(7x²y³-8x³y²z)÷8x²y²
3.4(x+1)²-(2x+5)(2x-5)
4.3(y-z)²-(2y+x)(-z+2y)
分解因式
1.25x²-16y²
2.(a-b)(x-y)-(b-a)(x+y)
3.a²-4ab+4b²
4.4+12(x-y)+9(x-y)²
5.16x⁴-1
6.(2a-b)²+8ab
优质解答
2.7y/8-xz
3.8x+29
4.3z^2-4yz-y^2+xz-2xy
(5x+4y)(5x-4y)
2x(a-b)
(a-2b)^2
[3(x-y)+2]^2
(4x^2+1)(2x+1)(2x-1)
(2a+b)^2
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