来自陆卫忠的问题
【1.(1)3x+3y(2)-24m²x-16n²x(3)x²-1(4)(xy)²-1(5)a的4次方x²-a的4次方y²(6)3x²+6xy+3y²(7)(x-y)²+4xy(8)4a²-3b(4a-3b)(9)2x(a-2)-y(2-a)(10)x(x+y)-y(x+y)(11)(a+b)²+2(a+b)+1(13)4x的4次方-】
1.(1)3x+3y(2)-24m²x-16n²x(3)x²-1(4)(xy)²-1(5)a的4次方x²-a的4次方y²
(6)3x²+6xy+3y²(7)(x-y)²+4xy(8)4a²-3b(4a-3b)(9)2x(a-2)-y(2-a)
(10)x(x+y)-y(x+y)(11)(a+b)²+2(a+b)+1(13)4x的4次方-4x³+x²(14)x²-16ax+64a²
(15)(x-1)(x-3)+1(16)(ab+a)+(b+1)
1回答
2020-09-15 19:32