六年级分数解方程练习题

六年级分数解方程练习题

班级姓名成绩

25%+10X=1X-15%X=68

I

X+£X=1215X-3X5=5"+L=12

82173I

6X+5=3x+、33X=3

4488

X4-2=7X+7X=34X-6X2=2

716843

12.v31

TA=3X=258X=X16

~5TO5729651

X+£=26X^34x—3X9=29Jx+Jx=4

3545252i

3X—21X2=4X+J_X=2()2(X-2.6)=8

ioT4

213

6X+5=5X-3X=104x-6=38

j_x=AXf

5X常2115

2X4->122x=32

34572

1=30%

4

4+=1023X+1X=42X+1X=1O5

324

X-2X=400=836=2

8Y4

Q

X+_X=18XX「+”)=—=5

768126

xX£+£=4X3X-±X=125X—X5=8

y287

3321

X5-[x=57T(x-=77x-25%x=10

4

x-=16+620x-5x一4二21

38

X+25%X=90x—7n解：(1)(12X3/4

+12X2/3)x=8/3

(9+8)x=8/3

17x=8/3x=

8/34-17x=

8/51

(2)7x/15-3/4X4/15X9/17

7x/15=9/85x

=9/85+7/15

x=27/U9

(3)(15X1/3+15X2/5)x=20

(5+6)x=20

llx=20x

=204-11

158+262+138

375+219+381+225

5001-247-1021-232

(181+2564)+2719

378+44+114+242+222

276+228+353+219

(375+1034)+(966+125)

(2130+783+270)+1017

99+999+9999+99999

7755-(2187+755)

2214+638+286

3065-738-1065

899+344

2357-183-317-357

2365-1086-214

497-299

2370+1995

3999+498

1883-398

12X25

75X24

138X25X4

(13X125)X(3X8)

(12+24+80)X50

704X2525X32X125

32X(25+125)88X125

102X7658X98

178X101-178

84X36+64X84

75X99+2X75

83X102-83X2

98X199

123X18-123X3+85X123

50X(34X4)X3

25X(24+16)

178X99+178

79X42+79+79X57

73004-254-4

81004-44-75

168004-120

301004-2100

32000+400

49700-r700

12484-24

31504-15

48004-25

2356-(1356-721)

1235-(1780-1665)

75X27+19X25

31X870+13X310

4X(25X65+25X28)

(181+2564)+2719

378+44+114+242+222

276+228+353+219

(375+1034)+(966+125；

(2130+783+270)+1017

99+999+9999+99755-(2187+755)

2214+638+2863065-738-1065

899+344

2357-183-317-3572365-1086-214

497-299

2370+1995

3999+498

1883-398

12X2575X24

138X25X4

(13X125)X(3X8)

(12+24+80)X50

704X25

25X32X125

32X(25+125)

88X125

102X76

58X98

178X101-178

84X36+64X84

75X99+2X7583X102-83X2

98X199

123X18-123X3+85X123

50X(34X4)X3

25X(24+16)

178X99+178

79X42+79+79X57

73004-254-4

8100+4+75

168004-120

301004-2100

320004-400

497004-700

12484-24

31504-15

48004-25

21500^-125

2356-(1356-721)

1235—(1780-1665)

75X27+19X25

31X870+13X310

4X(25X65+25X28)

12x+3(9-x)=21

2x+3*9-3x=21

27-x=21

x=27-21

x=6

2.(1-25%)x=72

75%x=72

x=724-75%

x=96

3.x-40%x=

(1-40%)x=

x=：60%

x=6

6.2-(1/4+1/7)X4/11

=2-11/28X4/11

=10/7

2x+3x=60

5x=60

x=12

问题里弄成+60了是等号吧）

20x=60

x=3

5x+6x=

llx=

x-

二8

=8

x=5

4x-x=24

3x=24

x=8

=1

=1

x=2

+=

x=4

25x-5x=10X20-5X20

20x=100

x=5

80x-40=(30x+40)X2

80x-40=60x+80

20x=120

x=6

80x-3200=60x+1200

20x=4400

x=220

4-15=,

X=,

4204-35=