小学复杂方程专项练习题
(1) 2x+5=5x - 7,
(7)上x+1旦x+3 ,
2 2
(2) 3 (x- 2) =2 - 5 ( x- 2),
(8) 6 (3x - 2)- 4 ( 4x- 3) =1 - 8x,
(9) 4 (x - 2) +20x - 4=5 ( 1 - 2x),
(4) 5-(X+16.81 ) 丄,
5
0.2x+—=8 -
5
(1
7)
x+ ( 3x — 16)吃5%=10 (x+1 ),
(13) 150.5— 4x=7-0.5x
(14) -x — 2——=0.25 — —x ,
7
11 銘
(12) x^15+0.4=x T 2— 0.1 , (19)⑴=|
(18)
=8+x
7 7 (22) 6 (x- 3.5) =17.8+2x ,
(27)古-(X - 0 ?55)—,
(23) 5- (x+16.84) =0.2, (28) 7X( x+6 ) - 3x=4 X (2x+5),
(24) ( 9+ X : ( 9 - X =5: 3,(29)丄」=2.5,
3x+5
(38) 卫(x+2) =x+1
(32) 64+( 2x - 5) =32
4
(34) 1 上+(x - 45%) =2.8, (39) 76 (x- 2) =52x - 32
(35) 5 (X+4 ) =26.6 - X, (40) 81x - 342=76 (x - 2)
(48) 8.5X1.2 — 5.3x=8.5 - 4x
44) 2( x - 4) =3(x - 12)
49) 5x - 2( 3- 2x ) =16x - 23
(50)
(x - 5) >5 - 9= (x - 12) X12
46) 8( x - 2) =2( x+7 )， (51) (10- x )吃=5x - 7
43) 16+x=12+2x+x
(45) 0.4- (4 - x ) =1 呜
(57)亠=
：，
—
35 1.5
(58) X+ (3X - 16)吃5%=10 ( X+1 )
(54) 8.5x - 3.9x=55.2 (x - 18),
(55) 122 - x - 19= (x - 19) X5, (60) 5x - 3X (28 - x ) =12+2x ,
(52) 2.7x - 1.8=1.2x+2.7 ,
(53) 8 - 5 (6x+0.7) =10x+0.5 ,
(59) 75-(x+10 ) =2,
(67) 4x - 2 ( 5.5- x ) =3.5x - 8,
69) 5(y - 4)- 7( 7- y )- 9=12- 3(9- y )，
70) 35( x - 2)- 15( 5x - 6) =22x - 63- 21( 3x - 4)，
62）5（x+2） =4（x+9），
(63) 127.5- (2x+3) =15,
68) 2.8x=19.32- 6.4x ，
64) 3( x+2) =4(x+1 )， 65) 8( x - 1.5) =x+0.6，
(72) 3 ( 4x - 2 — 2 (3x+3 ) =9 - 8x ,
(78) 35 (2- x ) +15 (6- 5x ) =22x+7+21 (4- 3x ),
(79) 5 ( 3x - 4)- 2 (x - 1) =5 (2x - 1)
(75) 3 ( 3x - 2) =10 - 0.5 (x - 3.5),(77) ( 0.6X+420 ) -(x+20) =3,
(73) 20+4x=6x - 24, (74) 5 ( x - 1) =x+1 ,
(80) — x=4.9+~x ,
3 C
(87) ( 9+21 ) x=66x WO - 40 - 440,
(83) 4 ( 4x - 6) =5 (3x+1 ),
(88) x - 2.5= (x - 1.8) >2
(84)
10X=3 (2X+17) +45, (89) 12+ ( x - 12) > x=x
5 2
(85) 5.7 (X - 0.2) =5.1 (X+0.6 ) +4 ,
(90) 3 (X - 3) +4 ( 3X - 2) =7 (2
(82) X ￡.2= (18 - x )弋,
-X
),