六年級分數(shù)方程專項練習180(附答案)教程文件

六年級分數(shù)方程專項

練習180（附答案）

分數(shù)方程專項練習180題（有答案）

(1)l+x=I,+

28⑹fH

⑵x(7)A+2X=A,

璃42

(3)&+2x=42,(8)124-(x+1)=1.2,

324

437

(4)(9)—x=~

104.55X82

(5)5x-3x_Z^工(10)3xx

105-iH

(11)2XX2=4X5,,(16)_Ax=i,

3510

(12)---^C=--?(17).？X+AX=42

3932

(13)90xl+lx=20,14111

(18)二一：x一"不

62

(14)0.2x+至8-(—

5

(15)X+(3X-16)+工10(X+l)，(20)2X+1昱2」,

4812

(15)W-2x=《，⑵芍y

33

(22)x+2-I^4.25(28)_lx+2x=121,

1243

(23)x-(1—+A)=4.5(29)(x+—)x7=8.1,

367

(24)37.5+LX=69°(30)X=5.

52

，

(25)-1-與=2，(31)4X+A=5

LJ9

(26)-lx=2.4x5,(32)—+x=9,

65

(27)X-7+1-2(33)5x-4-5

1053666

(34)3x+3x=n,(40)—1—+—3AX—_—1,

74442

(35)2x+—=4.625,(41)—x+5x4=95

85

(36)9-2X=1,(42)AX-—A.——8

5439

(37)x-lx=2,(43)I-3X=U

9816

(38)A+21.5=.§X,(44)Ax--lx=0.2,

2967

(39)I-3x=U(45)y-4--y=18

8164

(45)2849v9(51)7x-3x=—,

39715

(46)-^x3+2.75x=l^,(52)5,+3_23

238424

33.1_1

(47)5.6x-涓x=4.8'(53)-Y-丁—-,

5542

3

(48)5x-3X_L=Z,(54)2.4-43.2-x，

1052

5_531q

(49)—AY-(54)￡><3+2.75X=￡，

96

(50)x+-§x=39,(55)5x--3=34

84

(56)—x-久6=衛(wèi)(62)x-X-%-2￡12

105423

(57)Q-^X+1.2X=25(TA'

(58)8-金(64)豺8,

(59)工-0.95x4=8.5,(65)-

4fH

(60)2x-也2+迎(66)x-&=_Z_,

22510

3T3

(61)Ex+Ax」,(67)X-1-

4435-5

(74)x+0.25=l,

(68)x-考,

b234

(69)x-Ax=—,(75)Ax=10xA,

4834

(70)1.25：0.25=-2L,(76)?x+2x=2」,

1.6424

(71)1-H(77)xx(1-37.5%)=也

8

(72)L+&=2(78)—(x+A)=2,

23642

(73)&+_lx=42,(79)lx=50x_l,

32510

(80)-^X+AX=42,(86)5

327

(81)4+AX=102,(87)8x-Ax3=—,

544

(82)(88)—+A=i,

42

3x.33x-2X.§=50%,

(83)---YV--，，(89)

81632

(84)(1-M)x=I,(90)3x-I*

1008419

(85)X-(91)

(92)fx^'(98)—x=-^,

77

(93)_l+x=0.8,(99)lx-6=7,

252

(94)2+5x4=95,(100)&+5x=110,

52

(95)x--x-4=18,(101)lx-4=60,

43

(96)A-rx=A,(102)Ax--x=9,

8225

(97)xx工4,(103)x-AX=3.6,

54

5*222

(104)(110)^X--=24

4735X

(105)圣9.1,(ill)A+3X=—,

728

(106)4(9+x)=義，(112)x1——3,

551.24

(107)-^xO.25+Ax=—,(113)2x1-x=I

524525

(108)L+當=旦(114)x:昱30,

2366

(109)5,16(115)2-lx=7,

5X4

(116)_A.x=A<io,(122)2849v9

115397

3

(117)X-支=6,(123)：X3+2.75x=-1-9,

53

(118)-2=13,(124)x-lx=l,

858

(119)(1-1)X=480,(125)6X+4.5=U,

92

6X+lx=39,

(120)(126)80%X-0.6=42,

2

(121)2.4--5=3.2-x,(127).?X+JL.X=I,

25109

(128)2x+&(134)Ix+l=lx8,

7828822

(129)-2L-rX=I,(134)3x-6-^=8.25-

1003

(130)XJ!_=42,(135)

-1x+-^x=45Xi

14s乙o

(131)旦+工坨

8520

(132)--TX---=--?(137)2X+送1,

5444

(133)lx+lx=3,(138)X+昌旦

2346

(139)lx-lx=1.5,(145)3至-4x=22

2366

⑴。選*將=28嗡(146)空+田

3354525

(141)(x+3)xi=48,(147)f

2

x_3

(142)X--,——j(148)X-25%X=135,

48

3.25(149)lx-12.5x4=0,

(143)------二—,

x85

(144)2&x=2,(150).5x+i<—=1,

4424

(151)xx-2)=2,(157)3(X-1)=W

433438

(152)8x1-1.5x=l.l,(158)2X+&C=Zcl,

43454

(153)2-AX=2,(159)-x=l,

4462

(154)-X-A_1—_-2J(160)x+0.75-巨0.15,

4335

(155)x-善=15,(161)2x+J.625,

88

(156)x二6_3(162)2^+4.8X=15.8,

77

(163)—j-？x=14,(168)xx(fIi

(164)x+—x=2.1,(169)2-2,+X=5-1,

41520

(165)2.74-120%X=9,(170)4x-經(jīng)

77

(166)(13-X)x送6,(171)X」3_4

445

(167)3-21x2=4(172)x--x=3

1038

(168)lAx+-?x=-^-(173)6x-3.5X=L.4

5515515

(174)-3X=1(180)_Lx=&

841525

(175)-5Y=--8(181)至+x15=40

9157

(176)5X-3x_LJ(182)x+至必

10~5528

(177)xxAxa=5

35

(178)鳥=■1,

69

專項練習參考答案:

(1)l+x=I,

(179)328

4

2282

xi;

(2)X-2=-§,(8)12+(x+1)=1.2,

794

x-&區(qū)包+212-r(x+-l)X(x+A)=1.2x(x+A),

7797444

1.2x(x+—)=12,

4

(3)&+2x=42,1.2x(x+1)+1.2=12+1.2,

324

(―+—)x=42,x+-l-工10-

32444

Ix=42,

x=9—.

64

』xxj2x_§,(9)9x-衛(wèi)x」

67758X2

x=36；

17x_7

(4)402

104.517X.174.17

4.5x=8,404040

4.5x-r4.5=8-i-4.5,

x=160.

Y.1617

9(10)3x--jx-=1

545

o39

105

Q3.39.3

1010510

5x-r5=—二

?

23x+3=&3

x=0.710

(6)f+H-7-----

10

4+1-1-2-1(11)2XX2=4X5,，

322323

—4A―」Jx=20,

363

取X迄20xg

3~3~6~3344

x=A；X=15

4(12)X-2X=2,

(7)A+2X=A,39

42(i-2)x=2,

l+2x-1.1-139

4424-l'xzv——-—2—,

2x-?2=A-4-2,39

4Ixx3=.?x3,

x=A；39

8x=2

3

(13)90x-l+.lx=20,lx=l,

622

15+AX=20,AXX2=1X2,

22

15+Ax-15=20-15,X=2；

2(17)-？x+—x=42

AXX2=5X2,32

2(—+A)x=42

x=10；32

Ix=42

(14)0.2x+至8-］苣x,6

X=424-I

0.2x+.1+1春=8-1春+1春，6

x=36

1.8x+工8,

(18)妝-1^-1X-1,

51546~3

1.8x+--生8-—,H-(lx4x)具，

555153

1.8x=7.2,

—145y_-1，

1.8x+1.8=7.2+1.8915123

x=4

--5y,-1-4--1,

(15)X+(3X-16)4--U10(X+l),12153

4-5-Y*—_-3,

X+(3X-16)x4=10X+10,125

X+12X-64=10X+10,5-5一3-5

13X-64=10X+10,B,運百豆，

13X-64+64=10X+10+64,

Ax--3--6-

13X=10X+74,25

13X-10X=10X+74-10X,(19)2X+1-ALLI,

3X=74,32

3X+3=74+3,(2x+l_——1)x6=lx6,

X二口32

34x+2-3x+3=6,

x+5=6,

(15)

33x+5-5=6-5,

x=l

--2武2*=工+2*,

33(20)2X+1昱2」，

-l+2x=—,812

332X+1王-1旦2A-iJ,

S8128

A+2X-^_X

33332X4-2=114-2,

2x=l,24

2x4-2=14-2,x=ll

x=0.548

(16)-Ax=l,(21)IP-x=2

510113

-ixx6=12x6,

x_30_22

33336

x=ix=72；

(27)X-W+H

(22)x+2-I^4.25

12

x-—11—_-2,

x=4.25-2-L23

12

X-2414

X=1—

x=3四-2-L6

1212(28)Ax+-？x=121,

X=1f43

—x=12L

12

(23)x-(1Al)=4.5

露12x恪1⑵11Z又1空11

36

x=132；

X-(19+。)=4.5

66

x-1昱4.5(29)(x+3)x7=8.1,

67

7x+6=8.1,

x=4.5+l也

67x+6-6=8.1-6,

x=42+l也7X4-7=2.R7,

26x=0.3；

x=4_?+l也(30)工=工,

663.61.2

x=6—；_A^<3.6=_LX3.6,

33.61.2

x=15

(24)37.5+1+x=69工(31)4x+l=5,

529

37.5+0.2+x=69.54x+_l-.1=5--1,

37.7+x=69.5￡99

x=69.5-37.74x4-4=-^—A,

x=31.89

(25)-^x-1-4x=2,

x=ll.

9

*1=2-(32)&x=9,

65

4x-1+1=2+1>9+x-工9-W,

6555

|xX6=3X6>xW

65

x=18

(26)L=2.4X5,(33)耳--^X.―

6666

lx-548x+ll=14,

—A——,

6648x+ll-11=14-11,

48x=3,

AXX6=-^X6，

6648x^48=3^48,

x=5；

(34).?x+—x=ll,(40)—+—x=A,

74442

3x+l=2,

雪=11,

283x+l-1=2-1,

^xx_2§=llx.28,3x=l,

2833333x+3=l+3,

x=-=2-=8-

3

(35)2x+昱4.625,(41)2+5x4=95

85

2x+也-昱4.625-22+20=95

8885

2x=4,2=95-20

x=2,5

(36)9-2X=2，Wx=75

545

—-2x+2x-工工+2x-A,X=75+2

54445

x=125

山X,

20(42)x-

2x=ll,39

20—4A--8,

_ll

AY---，39

402,.2_j2

(37)x-AX=2,3-31~~3

9

x=4.

■=2,3

9

(43)--3x=—>

艮x包2xg