1、2(x1)4 2、
138x2152x
11(x1)11 3、22
4、
x12x432 5
7、53x8x1 8
10、2x3(x1)13 11
、15x12(32x)1 6、x25x1 、1x9x22620 9、x3(12x)9 、2(y2)3(4y1)9(1y)
12、5(2x-1)-3(3x-1)-2(5x-1)+1=0 13、0.40.6(x3)x(x7)
13
14、3(x1)2(x2)2x3 15x1x3x261
17、
2x122x536x761 18
19、231x13242354x
35、
3xx2831 16、x22xx223 、11[11x16]423451
、
2021、
3x13x22x3x1x24x 22、21
2105
23、1(x15)11523(x7) 24
25、
x40.2x30.51.6
(27)-7Χ=5 Χ=234
(30)3-1295Χ=
10 362、
x0.70.170.2x0.031 26、0.1x0.2x0.0210.53 28)6Χ-10=8 (29)8-3831)2(Χ-1)=4 (32) 2(6((Χ-2)=8
(33) 5-3Χ=8Χ+1 (34) 2(-Χ=2-5(Χ-1)
(36) 3Χ=5(32-Χ) -5(2X+3)=73
(39) ++= (40)
(42)3X+ 7X +10 = 90 7X-8=2X+27
Χ-2)+2=Χ+1 (35) 3(37) 7(4-X)=9(X-4) (38)128÷=100 (41)3(X+1)÷(2X–4)= 6 (43)3(X - 12)+ 23 = 35 (44) 4X
(45)5X -18 = 3–2X (46)(7X - 4)+3(X - 2)= 2X +6 (47)80÷X=20
(48)12X+8X-12=28 +-X-5=27
(51)2(3X-4)+(4-X)=
(49)3(2X-1)+10=37 (50)
4X (52)3(X+2)÷5=(X+2)
23(53)(3X+5)÷2=(5X-9)÷3 ()X- X=
74
23
(55)2X + = (56) 70%X + 20%X = (57) X
55×=20×
351 4(58)25% + 10X = (59)X - 15%X = 68 (60)X+X=121
4538 (61) 5X-3×
5521= (62)X÷=12 217343133X (63)6X+5 = ()(65) 3X= (66)
4488X÷27=
716
(67)X+738X=4 (70)3 X =
25572
(71) 8 X = 1×169651 4X-3 ×9 = 29
(74)1X + 126X = 4 x14x20
68)4X-6×23=2 (69)(72)X÷ 6261335=45×25 (75)
310X-21×23=4 125 ÷X=310
(73)(76)( 213
(78)2(x2.6)8 (79)6X+5 = (80) X- X= (81)
4X-6=38
(82)5X=
1519 (85)213X÷4=12
(86)3X=
25572 ()=14
(90)X4=30% X+14X=105
(83)8421X=15 87)819X=6×1651 (81)4+=102 5310(84) X÷4155=28 )X÷6261335=45÷25
(92)2X+132X=42 (93)((
33363(94) X-X=400 (95)=8 (96) = (97)X+
8X=18
(98)X×( 13136 + 8 )=12 X(99)X-=56 47100)X×2133+2=4×8
(
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