合并同类项(1)2x-3x-7x(2)2xy-3xy+5xy(3)5x^3y-6x-7x^3y-8x(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy(5)3(a+b)^2-4(a+b)^1-5(a+b)^2(6)7ab-3a^2b^2+7+8ab^2-3-7ab

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 16:24:23
合并同类项(1)2x-3x-7x(2)2xy-3xy+5xy(3)5x^3y-6x-7x^3y-8x(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy(5)3(a+b)^2-4(a+b)^1-5(a+b)^2(6)7ab-3a^2b^2+7+8ab^2-3-7ab
xՑJ0_E$!mRh@L.⥂ÞEaqFh=+8iZE֫ 4]t˷YoU#k\OGD#PjϓDP%4k,()!u(G

合并同类项(1)2x-3x-7x(2)2xy-3xy+5xy(3)5x^3y-6x-7x^3y-8x(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy(5)3(a+b)^2-4(a+b)^1-5(a+b)^2(6)7ab-3a^2b^2+7+8ab^2-3-7ab
合并同类项(1)2x-3x-7x(2)2xy-3xy+5xy(3)5x^3y-6x-7x^3y-8x(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy(5)3(a+b)^2-4(a+b)^1-5(a+b)^2(6)7ab-3a^2b^2+7+8ab^2-3-7ab

合并同类项(1)2x-3x-7x(2)2xy-3xy+5xy(3)5x^3y-6x-7x^3y-8x(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy(5)3(a+b)^2-4(a+b)^1-5(a+b)^2(6)7ab-3a^2b^2+7+8ab^2-3-7ab
(1)2x-3x-7x=-8x
(2)2xy-3xy+5xy=4xy
(3)5x^3y-6x-7x^3y-8x=-2x^3y-14x
(4)2/3x^2-3/2xy+x^2-1/3xy+1/2xy=5/3x^2-4/3xy
(5)3(a+b)^2-4(a+b)^1-5(a+b)^2=-6(a+b)^2
(6)7ab-3a^2b^2+7+8ab^2-3-7ab=-3a^2b^2+8ab^2+4

(1)‐8x
(2)4xy
(3)x(5x3y‐6‐7x3y)
我想知道ˆ是啥~~