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时间:2020-05-12
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1、去括号去分母解一元一次方程习题集(一)去括号类(1)2(x-1)+4=0(2)4-(3-x)=-2(3)(x+1)-2(x-1)=1-3x(4)2(x-2)-6(x-1)=3(1-x)(5)2(0.3x+4)=5+5(0.2x-7)(6)8(1-x)-5(x-2)=4(2x+1)(7)4(x-1)-10(1-2x)=3(2x+1)(8)2(x+3)-5(1-x)=3(x-1)(9)2(2x+1)=1-5(x-2)(10)6x+(3x+2)=4 (11)7x+2(3x-3)=20 (12)8y-3(3y+2)=3 (13)4x+3(2x-3)=12-(x-10)(14)3(x-
2、2)=2-5(-x+2) (15)2)3y-(4y-2)=3 (16)3(x+1)-2(x+2)=2x+3(17) 2a+3(5-4a)= 15-10a (18)-3[1-3(x-1)]= 9x-12 (19)2-3(x-5)=2x(20)4(4-y)=3(y-3);(21)2(2x-1)=1-(3-x)(22)2(x-1)-(x-3=2(1.5x-2.5)(23)3x-2[3(x-1)-2(x+2)]=3(18-x)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)
3、(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)=1(55)(56)(57)(58)(59)(5-x)=5(二)去分母类(1)=--y(2)-1=(3)-=1(4)-1=(5)=-(6)x-=3-(7)-=3(8)(9);(10)(11)(12)(13)(14)(15)+=1(16)(x-30)=7(17)2-=1(18)(3x-1)-1=(2x+1)(19)=-1(20)-(21)(x+1)-=-1(22)-=-1(23)-x-1=-(24)=-1(25)[(2x-3)-4]=3x-2(26)(27)(28)(29)(30)(31)(
4、32)(33)(34)(35);(36)(37);(38);(39);(40)(41)(42)(43)(44)(45)(46)(47)1-(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(60)(61)(62)(63)(64)(65)(66)(67)(68)(69);(70);(71);(72)(73)(74)(75)(76)(77)z+=z-(78)=-(79)(80)(81)(82)(3)(83)(84)(85)(86)(87)(88)(89)(90)(91)(92)(93)(94)(95)(96)(97)(98)(99)(
5、100)(101)(102)(103)(104)(105)(106)(107)(108)(109)(110)(111)(112)(113)(114)(115)(116)(117)(118)(119)-1(120)6.5=7.5(121)(122)(123)y-(124)(125)1-(126)
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