计算题 七年级下册
2个回答
展开全部
(1) (-1/4)(a^5)(b^7)
(2) (1/5)x(y^4)(z^3)
(3) (1/2)(x^2)y
(4) 2(a^7)(b^2)
(5) 4(x^2)(y^3)z-6(x^3)(y^3)z
(6) (-1/3)(a^3)-(1/9)(a^2)-(1/6)a
(7) x^2-3(1/2)xy+(3/2)(y^2)
(8) -7(a^2)-23ab-6(b^2)
(9) 9(x^2)+7xy-2(y^2)
(10) (2/9)(p^2)-(1/4)pq-(1/8)(q^2)
(11) (1/3)(a^2)(x^2)+(3/2)ax
(12) 6h-4r
注意:其中的 "^" 符合是 "次方" 的意思..
(2) (1/5)x(y^4)(z^3)
(3) (1/2)(x^2)y
(4) 2(a^7)(b^2)
(5) 4(x^2)(y^3)z-6(x^3)(y^3)z
(6) (-1/3)(a^3)-(1/9)(a^2)-(1/6)a
(7) x^2-3(1/2)xy+(3/2)(y^2)
(8) -7(a^2)-23ab-6(b^2)
(9) 9(x^2)+7xy-2(y^2)
(10) (2/9)(p^2)-(1/4)pq-(1/8)(q^2)
(11) (1/3)(a^2)(x^2)+(3/2)ax
(12) 6h-4r
注意:其中的 "^" 符合是 "次方" 的意思..
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询