整式的加减100道.docx
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整式的加减100道.docx
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整式的加减100道
(1)(2x2-3xy+4y2)-2(x2+2xy-3y2);
(2)2x+2y-[3x-2(x-y)];
(3)-2(3x+z)-(-6x-4z)+2(-5y+3z);
(4)3a-(2a-4b-6c)+3(-2c+2b);
(5)9a2-[7a2-2a-(-a2+3a+5)];
(6)
;
(7)(x2-2y2-z2)-3(-y2+3x2-z2)+(5x2+2z2)
(8)2(2xy+y2-3)+(-x2+y2)-(x2+2xy+2-y2)
(9)2(a2-ab-b2)-3(4a-2b)+2(7a2-4ab+b2)
(10)4x-2(x-3)-3[x-3(4-2x)+8];
(11)-(7x-y-2z)-{[4x-(x-y-z)-3x+z]-x};
(12)2x2-{-3x-[4x2-(3x2-x)+(x-x2)]};
(13)3x-2(2x-4y-6x)+3(-2z+2y);
(14)(3a2-4ab-5b2)-2(2b2-5a2-3)-(-6ab+2)
(15)(5a2b+3a2b2-ab2)-5(-2ab2+3a2b2+a2b)
(16)-{2a2b-[3abc-(4ab2-a2b)]}
(17)9a2+[7a2-2a-(-a2+3a)]
(18)3a-(2a-3b)+3(a-2b)-b
(19)(-y+6+3y4-y3)-3(2y2-3y3+y4-7)
(20)-(2x2-y2)-3[2y2-(x2+2xy)]
(21)2x-(x+3y)-5(-x-y)-2(x-y)
(22)(13x-11y+10z)-[15x-(15z-10y)]
(23)3x2y-5xy2-2(2x3-7x2y+6)-(4x3-xy2+10)
(24)
(25)[a-(b-c)]-2[-b-(-c-a)]
(26)(4x2-8x+5)-3(x3+3x2-6x+2)
(27)(3a6-a4+2a5-4a3-1)-2(2-a+a3-a5-a4)
(28)2(-3x3+2x2-5x+1)-3(5-6x-x2+x3)
(29)2m-{-3n+[-4m-(3m-n)]}
(30)4(x-y+z)-2(x+y-z)-3(-x-y-z)
(31)a3-(a2-a)+2(a2-a+1)-3(1-a4+a3)
(32)
(33)
(34)(5a2-2ab+3b2)-3[-2b2+(-ab-a2)]
(35)-2[b-2(-5a+3c)]-(-3b+5c)
(36)(2x2y+3xy2+2xy)-3[-(3x2y+2x2)-3xy-4]
(37)4x2-[7x2-5x-3(1-2x+x2)]
(38)(x3-2x2+x-4)-3(2x3-5x+3)
(39)(3m4-m3-2m+5)-(-2m4-3m3-2m2-1)
(40)
(41)3+(2x-y)-(y-x);
(42)x+2(3-x)-3(4x-1);
(43)a-2(a+b)+3(a-4b);
(44)2x-(5a-7x-2a);
(45)2(x-3)-(-x+4);
(46)
;
(47)4x2-[6x-(2x-3)+2x2];
(48)-5a2-a2-(-7a2)+(-3a2);
(49)6a2b+5ab2-4ab2-7a2b;
(50)-3x2y+2x2y+3xy2-2xy2;
(51)
;
(52)-2(a2-3a)+(5a2-2a);
(53)2x-(x+3y)-(-x-y)-(x-y);
(54)(2x4―5x2―4x+1)―(3x3―5x2―3x);
(55)
;
(56)(3x2-xy-2y2)—2(x2+xy—2y2);
(57)
;
(58)(8xy-x2+y2)+(-y2+x2-8xy);
(59)-
ab+
a2b+ab+(-
a2b)-1;
(60)3-2xy+2yx2+6xy-4x2y;
(61)(2x2-
+3x)-4(x-x2+
);
(62)
x-2(x-
y2)+(-
x+
y2);
(63)
;
(64)(x2-xy+y)-3(x2+xy-2y);
(65)5(a2b-3ab2)-2(a2b-7ab);
(66)3a2-9a+5-(-7a2+10a-5);
(67)(5x2y-7xy2)-(xy2-3x2y);
(68)3a2-9a+5-(-7a2+10a-5);
(69)-3a2b-(2ab2-a2b)-(2a2b+4ab2);
(70)-2(ab-3a2)-[2b2-(5ab+a2)+2ab];
(71)(a2+4ab-4b2)-3(a2+b2)-7(b2-ab);
(72)-3(2x2-xy)+4(x2+xy-6);
(73)-3x2y+2x2y+3xy2-2xy2;
(74)-[2m-3(m-n+1)-2]-1;
(75)x2y-3xy2+2yx2-y2x;
(76)(2x3-xyz)-2(x3-y3+xyz)+(xyz-2y3);
(77)5x2-[3x-2(2x-3)+7x2];
(78)2(x2y+xyz)-3(x2y-xyz)-4x2y;
(79)(5ab+4a+7b)+(6a-3ab)-(4ab-3b);
(80)5ab2-[2a2b-(4ab2-2a2b)];
(81)7-3x-4x2+4x-8x2-15;
(82)2(2a2-9b)-3(-4a2+b);
(83)8x2-[-3x-(2x2-7x-5)+3]+4x;
(84)(5x-3y-2xy)-(6x+5y-2xy);
(85)3a2b-[2ab2-2(ab-1.5a2b)+ab]+3ab2;
(86)
(87)
;
(88)
;
(89)
;
(90)
;
(91)
;
(92)
;
(93)
;
(94)
;
(95)
;
(96)
;
(97)
;
(98)
;
(99)
;
.
(100)
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- 整式 加减 100