北师大版八下数学书第二章(P61)复习题1.1.(1)7X²-63(2)a³-3b²(3)3a²-3b²(4)Y²-9(X+Y)²(5)a(x-Y)-b(Y-X)+C(X-Y)(6)X(m+n)-Y(n+m)+(m+n)(7)(X+Y)²-16(X -Y)²(8)a

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北师大版八下数学书第二章(P61)复习题1.1.(1)7X²-63(2)a³-3b²(3)3a²-3b²(4)Y²-9(X+Y)²(5)a(x-Y)-b(Y-X)+C(X-Y)(6)X(m+n)-Y(n+m)+(m+n)(7)(X+Y)²-16(X -Y)²(8)a
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北师大版八下数学书第二章(P61)复习题1.1.(1)7X²-63(2)a³-3b²(3)3a²-3b²(4)Y²-9(X+Y)²(5)a(x-Y)-b(Y-X)+C(X-Y)(6)X(m+n)-Y(n+m)+(m+n)(7)(X+Y)²-16(X -Y)²(8)a
北师大版八下数学书第二章(P61)复习题1.
1.
(1)7X²-63
(2)a³-3b²
(3)3a²-3b²
(4)Y²-9(X+Y)²
(5)a(x-Y)-b(Y-X)+C(X-Y)
(6)X(m+n)-Y(n+m)+(m+n)
(7)(X+Y)²-16(X -Y)²
(8)a²(a-b)²-b²(a+b)²
(9)(X+Y+Z)²-(X-Y-Z)²
(10)(x+y)²-14(X+Y)+49
2.(1)a²b²-0.01
(2)x²y-2xy²+y³
(3)16-(2a+3b)²
(4)(a²+4)²-16a²
(5)x²-xy+4/1y²
(6)a²x²+16ax+64
(7)a(四次方)-8a²b²+16b(四次方)
(8)9+6(a+b)+(a+b)²
晚上就要交了 我很努力打出题目求你们了 亲

北师大版八下数学书第二章(P61)复习题1.1.(1)7X²-63(2)a³-3b²(3)3a²-3b²(4)Y²-9(X+Y)²(5)a(x-Y)-b(Y-X)+C(X-Y)(6)X(m+n)-Y(n+m)+(m+n)(7)(X+Y)²-16(X -Y)²(8)a
(1)7(x+3)(x-3)
(2)a(a+1)(a-1)
(3)3(a+b)(a-b)
(4)(4y+3x)(-3x-2y)
(5)(x-y)(a+b+c)