(1) (π-3.14)^2*(-1/3)^-2/3^-3 (2) (-xy^2z^3)^2-(-2x^2y)^3 (3) (2a-1/3b)^2-(a-b)(2a+b) (4) (-4x-3y)^2 (5) (3(x-2y)(2y+x)-
问题描述:
(1) (π-3.14)^2*(-1/3)^-2/3^-3 (2) (-xy^2z^3)^2-(-2x^2y)^3 (3) (2a-1/3b)^2-(a-b)(2a+b) (4) (-4x-3y)^2 (5) (3(x-2y)(2y+x)-(2x-3y)^2 (6) (3(a^3)^4+a^4*a^3-2(a^2)^6 (7) (2a+1)^2-(2a+1)(-1+2a) (8) (2/3x+y)^2(2/3x-y)^2 (9)(x-1)(x+1)-(x+2)^2 (10) (a+2b-3c)(a-3b-2c) 都计算、要过程、
答
怪吓人理.