(a-2b)^2-8a+16b+15

(a-2b)^2-8a+16b+15 2(a+3b)²-8(a+b)(a-b)-(a+3b)(a-b) -2a(a+b)+b(a+b) 8(a-b)^-2(b-a) 因式分解 因式分解:2(a+b)(a+b)+8 计算：(4a-b)^2-[8a*(a-b)-(3a-b)*(3a+b)] (a+2b)(a-2b)+(a-b)(a+b)-2(a-3b)(a-b) 5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b) -a-b+2b^2/a+b 化简：|a+b|+|b-a|+|2b| |a+b|-|b-a|+|2b|化简哦! a-b+2b²/a+b 通分a-b,2b^/a+b (a-2b)^2-8(2b-a)+16因式分解 a^4-8a^2b^2+16b^4 8a^2b^2-a^4-16b^4 a^4b^4-8a^2b^2+16 a^4-16/2a^2b+8b约分