小学数学五年级解方程练习题180题及答案

小学数学五年级解方程练习题180题及答案
小学数学五年级解方程练习题180题及答案

五年级解方程180题有答案

(1)(0.5+x)+x=9.8÷2 (2)2(X+X+0.5)=9.8 (3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6

(6)12x-8x=4.8

(7) 7.5+2X=15

(8)1.2x=81.6

(7)x+5.6=9.4

(10)x-0.7x=3.6

(11)91÷x=1.3 (12)X+8.3=10.7

(13) 15x=3

(14) 3x-8=16

(15) 3x+9=27

(16) 18(x-2)=270

(17) 12x=300-4x

(18) 7x+5.3=7.4

(19) 3x÷5=4.8

(25) 0.5x+8=43

(26) 6x-3x=18

(27) 7(6.5+x)=87.5

(28)0.273÷x=0.35

(29) 1.8x=0.972

(30) x÷0.756=90

(31) 0.1(x+6)=3.3×0.4

(32) (27.5-3.5)÷x=4

(33) 9x-40=5

(34) x÷5+9=21

(35) 48-27+5x=31

(36) 10.5+x+21=56 (37)x+2x+18=78

(38) (200-x)÷5=30

(39)(x-140)÷70=4 (40)20-9x=2 (41) x+19.8=25.8 (42) 5.6x=33.6 (43)9.8-x=3.8 (44)75.6÷x=12.6 (45)5x+12.5=32.3 (46)5(x+8)=102 (47)x+3x+10=70 (48)3(x+3)=50-x+3 (49)5x+15=60 (50) 3.5-5x=2 (51)0.3×7+4x=12.5

(52)x÷1.5-1.25=0.75

(53)4x-1.3×6=2.6 (54)6x+12.8=15.8 (55)150×2+3x=690 (56)2x-20=4 (57)3x+6=18 (58)2(2.8+x)=10.4 (59)(x-3)÷2=7.5 (60)13.2x+9x=33.3 (61)3x=x+100

(62)x+4.8=7.2 (63)6x+18=48 (64)3(x+2.1)=10.5

(65)12x-9x=8.7 (66)13(x+5)=169 (67)2x-97=34.2 (68)3.4x-48=26.8 (69)42x+25x=134 (70)1.5(x+1.6)=3.6 (71)2(x-3)=5.8 (72)65x+7=137(73) 9x+4×2.5=91

(74) 4.2 x+2.5x=134

(75) 10.5x+6.5x=51

(76) 89x-43x=9.2

(77) 5x-45=100

(78) 1.2x-0.5x=6.3

(79) 23.4=2x

(80) 4x-x=48.6

(81) 4.5x-x=28

(82)X-5.7=2.15

(83)5X-2X=18 (84)3X+0.7=7

(85) 3.5×2= 4.2+x

(86) 26×1.5= 2x+10

(87) 0.5×16―16×0.2=4x (88) 13 9.25-X=0.403

(89) 18.9÷X=0. 3

(90) 23x=14x+27

(91) x+14x=75 (92)95-5x=80 (93)1.8 +6x=54 (94) 6.7x-60.3=6.7

(95) 9+4x=53

(96) 2x+8=16

(97) 20x-14x=24

(98) x+7x=8

(122) 14-6x=8

(123) 15+6x=27

(124) 5-8x=4 (125) 7x+8=15 (126) 9-2x=1 (127) 4+5x=9 (128) 10-x=8 (129) 8x+9=17 (130) 9+6x=15 (131) x+9x=4+7 (132) 2x+9=17

(133) 8-4x=6 (134) 6x-7=28 (135) 7x-9=20 (136) x-56=1 (137) 8-7x=1 (138)x-30=12 (139) 6x-21=21 (140) 6x-3=6 (141) 9x=18 (142) 4x-18=14 (143) 5x+9=11 (144) 17-2x=11 (145) x+4+8=23

(146) 7x-12=9

(147) X-5.7=2.15 (148) 5X-2X=18 (149) 3X +0.5=5

(150) 3.5×2= 4 x (151) 26×1.5= 2x (152) 0.5×16―16×0.1=4x (153) 9.26-X=0.402 (154) 36.9÷X=0.3 (155) X÷0.5=2.6 (156) 93-5x=80 (157) 180-6x=54 (158) 9+4x=40 (159) 0.2x-0.4+0.5=3.7 (160) 9.4x-0.4x=16.2 (161) 92-4x=20 (162) 7x÷6=1.4 (163) 16x+34x=1 (164) 18x-14x=12 (165) 3 x-42÷14=15 (166) 12+4x=56 (167) 22-14x=12 (168) X+8.3=10.7

(169) 5x =30 (170) x-5.6=9.4 (171) x÷0.8=90 (172) 3x-8=16 (173) 3x+9=27 (174) 5.3+7x=7.4 (175) 3x÷5=4.8 (176) X-0.8X=6 (177) 12x+8x=4.8 (178) 7(x-2)=49 (179) 4×8+2x=36 (180) (x-2)÷3=7 (181) x÷5+9=21 (182)(300-x)÷5=30 (183) 91÷x =1.3 (184) 41-3x=17

五年级解方程180题答案

(1)(0.5+x)+x=9.8÷2

0.5+2x=4.9

0.5+2x-0.5=4.9-0.5

2x=4.4

2x÷2=4.4÷2

X=2.2 (2)2(X+X+0.5)=9.8

2x+2x+1=9.8

4x+1-1=9.8-1

4x=8.8

4x÷4=8.8÷4

X=2.2 (3)25000+x=6x

25000+x-x=6x-x

5x=25000

5x÷5=25000÷5 X=5000

(4)3200=440+5X+X 6x+440=3200

6x+450-450=3200-440

6x=2760

6x÷6=2760÷6

X=460

(5)X-0.8X=6

0.2x=6

0.2x÷0.2=6÷0.2

X=30

(6)12x-8x=4.8

4x=4.8

4x÷4=4.8÷4

X=1.2

(7) 7.5+2X=15

2x+7.5-7.5=15-7.5

2x=7.5

2x÷2=7.5÷2

X=3.75

(8) 1.2x=81.6 1.2x÷1.2=81.6÷1.2

X=68

(9) x+5.6=9.4

X+5.6-5.6=9.4-5.6

X=3.8 (10)x-0.7x=3.6

0.3x=3.6

0.3x÷0.3=3.6÷0.3

X=12

(11)91÷x=1.3

91÷x×x=1.3×x

1.3x=91

1.3x÷1.3=91÷1.3

X=70 (12) X+8.3=10.7

X+8.3-8.3=10.7-8.3

X=2.4 (13) 15x=3

15x÷15=3÷15

X=0.2 (14) 3x-8=16

3x-8+8=16+8

3x=24

3x÷3=24÷3

X=8

(15) 3x+9=27

3x+9-9=27-9

3x=18

3x÷3=18÷3

3x=6

(16) 18(x-2)=270

18x-36=270

18x-36+36=270+36

18x=306

18x÷18=306÷18

X=17

(17) 12x=300-4x

12x+4x=300-4x+4x

16x=300

16x÷16=300÷16

X=18.75

(18) 7x+5.3=7.4

7x+5.3-5.3=7.4-5.3

7x=2.1

7x÷7=2.1÷7

X=0.3

(19) 3x÷5=4.8

3x÷5×5=4.8×5

3x=24

3x÷3=24÷3

X=8

(20) 30÷x+25=85

30÷x+25-25=85-25

30÷x=60

30÷x×x=60×x

30=60x

60x÷60=30÷60

X=0.5

(21) 1.4×8-2x=6

11.2-2x+2x=6+2x

11.2=6+2x

2x+6-6=11.2-6

2x=5.2

2x÷2=5.2÷2

X=2.6

(22) 6x-12.8×3=0.06

6x-38.4=0.06

6x=38.46

6x÷6=38.46÷6

X=6.41 (23) 410-3x=170

410-3x+3x=170+3x

170+3x=410

3x+170-170=410-170

3x=240

3x÷3=240÷3

X=80

(24) 3(x+0.5)=21

3x+1.5=21

3x+1.5-1.5=21-1.5

3x=19.5

3x÷3=19.5÷3

X=6.5

(25) 0.5x+8=43

0.5x+8-8=43-8

0.5x=35

0.5x÷0.5=35÷0.5

X=70 (26) 6x-3x=18

3x=18

3x÷3=18÷3

X=6

(27) 7(6.5+x)=87.5

7x+45.5=87.5

7x+45.5-45.5=87.5-45.5

7x=42

7x÷7=42÷7

X=6

(28) 0.273÷x=0.35

x=0.273÷0.35

X=0.78 (29) 1.8x=0.972

1.8x÷1.8=0.972÷1.8

X=0.54

(30) x÷0.756=90

x÷0.756×0.756=90×0.756

X=68.04 (31) 0.1(x+6)=3.3×0.4

0.1x+0.6=1.32

0.1x+0.6-0.6=1.32-0.6

0.1x=0.72

0.1x÷0.1=0.72÷0.1

X=7.2 (32) (27.5-3.5)÷x=4

24÷x=4

x=24÷4

X=6 (33) 9x-40=5

9x-40+40=5+40

9x=45

9x÷9=45÷9

X=5

(34) x÷5+9=21

x÷5+9-9=21-9

x÷5=12

x÷5×5=12×5

X=60

(35) 48-27+5x=31

5x+21-21=31-21

5x=10

5x÷5=10÷5

X=2

(36) 10.5+x+21=56

x+31.5-31.5=56-31.5

x=24.5 (37) x+2x+18=78

3x+18-18=78-18

3x=60

3x÷3=60÷3

X=20

(38) (200-x)÷5=30

(200-x)÷5×5=30×5

200-x=150

200-x+x=150+x

150+x=200

X+150-150=200-150

X=50 (39) (x-140)÷70=4

(x-140)÷70×70=4×70

X-140=280

X-140+140=280+140

X=420 (40)20-9x=2

9x=20-2

9x=18

9x÷9=18÷9

X=2

(41) x+19.8=25.8

X+19.8-19.8=25.8-19.8

X=6

(42) 5.6x=33.6

5.6x÷5.6=33.6÷5.6

X=6 (43)9.8-x=3.8

9.8-x+x=3.8+x

3.8+x=9.8

X=9.8-3.8

X=6

(44)75.6÷x=12.6

X=75.6÷12.6

X=6

(45)5x+12.5=32.3

5x+12.5-12.5=32.3-12.5

5x=19.8

5x÷5=19.8÷5

X=3.96 (46)5(x+8)=102

5x+40=102

5x+40-40=102-40

5x=62

5x÷5=62÷5

X=12.4 (47)x+3x+10=70

4x+10=70

4x+10-10=70-10

4x=60

4x÷4=60÷4

X=15 (48)3(x+3)=50-x+3

3x+9=53-x

3x+x+9-9=53-x+x-9

4x=44

4x÷4=44÷4

X=11 (49)5x+15=60

5x+15-15=60-15

5x=45

5x÷5=45÷5

X=9

(50) 3.5-5x=2

3.5-5x+5x=2+5x

5x+2=3.5

5x+2-2=3.5-2

5x=1.5

5x÷5=1.5÷5

X=0.3

(51)0.3×7+4x=12.5

4x+2.1=12.5

4x+2.1-2.1=12.5-2.1

4x=10.4

4x÷4=10.4÷4

X=2.6

(52)x÷1.5-1.25=0.75

x÷1.5-1.25+1.25=0.75+1.25

x÷1.5=2

x÷1.5×1.5=2×1.5

X=3 (53)4x-1.3×6=2.6

4x-1.3×6+1.3×6=2.6+1.3×6

4x=10.4

4x÷4=10.4÷4

X=2.6 (54)6x+12.8=15.8

6x+12.8-12.8=15.8-12.8

6x=3

6x÷6=3÷6

X=0.5 (55)150×2+3x=690

3x+300=690

3x+300-300=690-300

3x=390

3x÷3=390÷3

X=130

(56)2x-20=4

2x-20+20=4+20

2x=24

2x÷2=24÷2

X=12

(57)3x+6=18

3x+6-6=18-6

3x=12

3x÷3=12÷3

X=4

(58)2(2.8+x)=10.4

5.6+2x=10.4

2x+5.6-5.6=10.4-5.6

2x=4.8

2x÷2=4.8÷2

X=2.4 (59)(x-3)÷2=7.5

(x-3)÷2×2=7.5×2

X-3=15

X=18 (60)13.2x+9x=33.3

22.2x=33.3

22.2x÷22.2=33.3÷22.2

X=1.5 (61)3x=x+100

3x-x=x-x+100

2x=100

2x÷2=100÷2

X=50

(62)x+4.8=7.2

X=7.2-4.8

X=2.4

(63)6x+18=48

6x+18-18=48-18

6x=30

6x÷6=30÷6

x=5

(64)3(x+2.1)=10.5

3x+6.3=10.5

3x=10.5-6.3

3x=4.2

3x÷3=4.2÷3

X=1.4 (65)12x-9x=8.7

3x=8.7

3x÷3=8.7÷3

X=2.9

(66)13(x+5)=169

13x+65=169

13x+65-65=169-65

13x=104

13x÷13=104÷13

X=8

(67)2x-97=34.2

2x-97+97=34.2+97

2x=131.2

2x÷2=131.2÷2

X=65.6 (68)3.4x-48=26.8

3.4x-48+48=26.8+48

3.4x=7

4.8

3.4x÷3.4=7

4.8÷3.4

X=22 (69)42x+25x=134

67x=134

67x÷67=134÷67

X=2

(70)1.5(x+1.6)=3.6

1.5x+

2.4=

3.6

1.5x=3.6-

2.4

1.5x=1.2

1.5x÷1.5=1.2÷1.5

X=0.8 (71)2(x-3)=5.8

2x-6=5.8

2x-6+6=5.8+6

2x=11.8

2x÷2=11.8÷2

X=5.9

(72)65x+7=137

65x+7-7=137-7

65x=130

65x÷65=130÷65

X=2

(73) 9x+4×2.5=91

9x+10=91

9x+10-10=91-10

9x=81

9x÷9=81÷9

X=9 (74) 4.2 x+2.5x=134

6.7x=134

6.7x÷6.7=134÷6.7

X=20 (75) 10.5x+6.5x=51

17x=51

17x÷17=51÷17

X=3 (76) 89x-43x=9.2

46x=9.2

46x÷46=9.2÷46

X=0.2 (77) 5x-45=100

5x-45+45=100+45

5x=145

5x÷5=145÷5

X=29

(78) 1.2x-0.5x=6.3

0.7x=6.3

0.7x÷0.7=6.3÷0.7

X=9 (79) 23.4=2x

2x÷2=23.4÷2

X=11.7 (80) 4x-x=48.6

3x=48.6

3x÷3=48.6÷3

X=16.2 (81) 4.5x-x=28

3.5x=28

3.5x÷3.5=28÷3.5

X=8

(82)X-5.7=2.15

X=5.7+2.15

X=7.85 (83)5X-2X=18

3x=18

3x÷3=18÷3

X=6

(84)3X+0.7=7

3x+0.7-0.7=7-0.7

3x=6.3

3x÷3=6.3÷3

X=2.1 (85) 3.5×2= 4.2+x

4.2+x=7

X=7-4.2

X=2.8 (86) 26×1.5= 2x+10

2x+10=39

2x+10-10=39-10

2x÷2=29÷2

X=14.5

(87) 0.5×16―16×0.2=4x

4x=4.8

4x÷4=4.8÷4

X=1.2 (88) 13 9.25-X=0.403

X=139.25-0.403

X=138.847 (89) 18.9÷X=0. 3

X=18.9÷0.3

X=63

(90) 23x=14x+27

23x-14x=14x-14x+27

9x=27

9x÷9=27÷9

X=3

(91) x+14x=75

15x=75

15x÷15=75÷15

X=5

(92)95-5x=80

95-5x+5x=80+5x

5x+80=95

5x+80-80=95-80

5x=15

X=3

(93)1.8 +6x=54

6x=54-1.8

6x=52.2

6x÷6=52.2÷6

X=8.7

(94) 6.7x-60.3=6.7

6.7x=60.3+6.7

6.7x=67

6.7x÷6.7=67÷6.7

X=10

(95) 9+4x=53

4x=53-9

4x=44

4x÷4=44÷4

X=11

(96) 2x+8=16

3x-8+8=31+8

3x=39

3x÷3=39÷3

X=13 (117) 6x+6=12

6x+6-6=12-6

6x=6

X=1 (118) 3x-3=3

3x-3+3=3+3

3x=6

3x÷3=6÷3

X=2 (119) 5x-3x=4

2x=4

2x÷2=4÷2

X=2 (120) 2x+16=19

2x+16-16=19-16

2x=3

2x÷2=3÷2

X=1.5 (121) 5x+8=19

5x+8-8=19-8

5x=11

5x÷5=11÷5

X=2.2 (122) 14-6x=8

14-6x+6x=8+6x

6x+8-8=14-8

6x=6

X=1 (123) 15+6x=27

6x+15-15=27-15

6x=12

6x÷6=12÷6

X=2 (124) 5-8x=4

5-8x+8x=4+8x

8x+4-4=5-4

8x=1

8x÷8=1÷8

X=0.125

(125) 7x+8=15

7x+8-8=15-8

7x=7

X=1 (126) 9-2x=1

9-2x+2x=1+2x

2x+1-1=9-1

2x=8

2x÷2=8÷2

X=4 (127) 4+5x=9

5x+4-4=9-4

5x=5

X=1 (128) 10-x=8

X=10-8

X=2 (129) 8x+9=17

8x+9-9=17-9

8x=8

X=1 (130) 9+6x=15

6x+9-9=15-9

6x=6

X=1 (131) x+9x=4+7

10x=11

10x÷10=11÷10

X=1.1 (132) 2x+9=17

2x+9-9=17-9

2x=8

2x÷2=8÷2

X=4 (133) 8-4x=6

8-4x+4x=6+4x

4x+6-6=8-6

4x=2

4x÷2=2÷4

X=0.5 (134) 6x-7=28

6x-7+7=28+7

6x=36

6x÷6=36÷6

X=6 (135) 7x-9=20

7x-9+9=8+20

7x=28

7x÷7=28÷7

X=4 (136) x-56=1

X=56+1

X=57 (137) 8-7x=1

8-7x+7x=1+7x

7x+1-1=8-1

7x=7

X=1 (138) x-30=12

X-30+30=12+30

X=42 (139) 6x-21=21

6x-21+21=21+21

6x=42

6x÷6=42÷6

X=7 (140) 6x-3=6

6x-3+3=6+3

6x=9

6x÷6=9÷6

X=1.5 (141) 9x=18

9x÷9=18÷9

X=2 (142) 4x-18=14

4x-18+18=14+18

4x=32

4x÷4=32÷4

X=8 (143) 5x+9=11

5x+9-9=11-9

5x=2

5x÷5=2÷5

X=0.4 (144) 17-2x=11

17-2x+2x=11+2x

2x+11-11=17-11

2x=6

2x÷2=6÷2

X=3

(145) x+4+8=23

X+12=23

X=23-12

X=11

(146) 7x-12=9

7x-12+12=9+12

7x=21

7x÷7=21÷7

X=3

(147) X-5.7=2.15

x=5.7+2.15

X=7.85

(148) 5X-2X=18

3x=18

3x÷3=18÷3

X=6

(149) 3X +0.5=5

3x+0.5-0.5=5-0.5

3x=4.5

3x÷3=4.5÷3

X=1.5

(150) 3.5×2= 4 x

4x=7

4x÷4=7÷4

X=1.75

(151) 26×1.5= 2x

2x=39

2x÷2=39÷2

X=18

(152) 0.5×16―16×0.1=4x

4x=6.4

4x÷4=6.4÷4

X=1.6 (153) 9.26-X=0.402

X=9.26-0.402

X=8.858 (154) 36.9÷X=0.3

X=36.9÷0.3

X=123

(155) X÷0.5=2.6

X=0.5×2.6

X=1.3

(156) 93-5x=80

93-5X+5X=80+5X

5X+80-80=93-80

5X=13

5X÷5=13÷5

X=2.6

(157) 180-6x=54

180-6X+6X=54+6X

6X+54-54=180-54

6X=126

6X÷6=126÷6

X=21

(158) 9+4x=40

4X+9-9=40-9

4X=31

4X÷4=31÷4

X=7.75

(159) 0.2x-0.4+0.5=3.7

0.2X-0.5+0.5-0.4+0.4=3.7-0.5+0.4

0.2X=3.6

0.2X÷0.2=3.6÷0.2

X=18 (160) 9.4x-0.4x=16.2

9X=16.2

9X÷9=16.2÷9

X=1.8 (161) 92-4x=20

92-4X+4X=20+4X

4X+20-20=92-20

4X=72

4X÷4=72÷4

(162)X=18 (163)7x÷6=1.4

7x÷6×6=1.4×6

7X=8.4

7X÷7=8.4÷7

X=1.2

(163) 16x+34x=1

50X=1

50X÷50=1÷50

X=0.02

(164) 18x-14x=12

4X=12

4X÷4=12÷4

X=3 (165) 3 x-42÷14=15

3X-3=15

3X-3+3=15+3

3X=18

3X÷3=18÷3

X=6 (166) 12+4x=56

4X+12-12=56-12

4X=44

4X÷4=44÷4

X=11 (167) 22-14x=12

22-14X+14X=12+14X

14X+12-12=54-12

14X=42

14X÷14=42÷14

X=3 (168) X+8.3=10.7

X=10.7-8.3

X=2.4

(169) 5x =30

5X÷5=30÷5

X=6

(170) x-5.6=9.4

X=5.6+9.4

X=15

(171) x÷0.8=90

X=0.8×90

X=72 (172) 3x-8=16

3X-8+8=16+8

3X=24

3X÷3=24÷3

X=8

(173) 3x+9=27

3X+9-9=27-9

3X=18

3X÷3=18÷3

X=6 (174) 5.3+7x=7.4

7X+5.3-5.3=7.4-5.3

7X=2.1

7X÷7=2.1÷7

X=0.3

(175) 3x÷5=4.8

3X=4.8×5

3X=24

3X÷3=24÷3

X=8

(176) X-0.8X=6

0.2X=6

0.2X÷0.2=6÷0.2

X=30

(177) 12x+8x=4.8

20X=4.8

20X÷20=4.8÷20

X=24

(178) 7(x-2)=49

7X-14=49

7X-14+14=49+14

7X=63

7X÷7=63÷7

X=9

(179) 4×8+2x=36

2X+32=36

2X+32-32=36-32

2X=4

2X÷2=4÷2

X=2

(180) (x-2)÷3=7

X-2=3×7

X-2=21

X=23

(181) x÷5+9=21

X÷5=21-9

X÷5=12

X=12×5

X=60 (182) (300-x)÷5=30

300-X=30×5

300-X=150

X=300-150

X=150 (183) 91÷x =1.3

X=91÷1.3

X=70 (184) 41-3x=17

41-3X+3X=17+3X 3X+17-17=41-17

3X=24

3X÷3=24÷3

X=8

五年级解方程计算题

1)(0.5+X)+X=9.8÷2 2)2(X+X+0.5)=9.8 3)25000+X=6X 4)3200=450+5X+X 5)X-0.8X=6 6)12X-8X=4.8 7)7.5×2X=15 8) 1.2X=81.6 9)X+5.6=9.4 10)X-0.7X=3.6 11)91÷X=1.3 12)X+8.3=10.7 13)15X=3 14)3X-8=16

15)7(X-2)=2X+3 16)3X+9=27 17)18(X-2)=270 18)12X=300-4X 19)7X+5.3=7.4 20)3X÷5=4.8 21)30÷X+25=8522)1.4×8-2X=6 23)6X-12.8×3=0.06 24)3(X+0.5)=21 25)0.5X+8=43 26)6X-3X=18 27)1.5X+18=3X 28)5×3-X÷2=8

29)0.273÷X=0.35 30)1.8X=0.972 31)X÷0.756=90 32)9X-40=5 33)X÷5+9=21 34)48-27+5X=31 35)10.5+X+21=56 36)X+2X+18=78 37)(200-X)÷5=30 38)(X-140)÷70=4 39)0.1(X+6)=3.3×0.4 40)4(X-5.6)=1.6 41)7(6.5+X)=87.5 42)(27.5-3.5)÷X=4

43)X+19.8=25.8 44)5.6X=33.6 45)9.8-X=3.8 46)75.6÷X=12.6 47)5X+12.5=32.3 48)5(X+8)=102 49)X+3X+10=70 50)3(X+3)=50-X+3 51)5X+15=60 52)3.5-5X=2 53)0.3×7+4X=12.5 54)X÷1.5-1.25=0.75 55)4X-1.3×6=2.6 56)20-9X=1.2×6.25

小学方程计算题

小学方程计算题 Document serial number【KK89K-LLS98YT-SS8CB-SSUT-SST108】

6×5+2X=4420 28+6X=88 32-22X=10 24-3X=3 10X×(5+1)=60 99X=100-X 5x+2x+x=5.6 4.8x-2x-x=4. 53X+5X=48 X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 14X-8X=12 5x+2x+x=5.6 4.8x-2x-x=4. 16+8x=40 2x-8=8 4x-3×9=29 8x-3x=105 x-6×5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x-50x=30 5x=15 78-5x=28 32y-29=3 5x+5=15 89x-9=80 100-20x=20 55x-25x=60 76y-75=1 23y-23=23 4x-20=0 80y+20=100 53x-90=16 2x+9x=11 12y-12=24 80+5x=100 7x-8=6 65x+35=100 19y+y=40 25-5x=15 79y+y=80

42x+28x=140 3x-1=8 90y-90=90 80y-90=70 78y+2y=160 88-x=80 9-4x=1 20x=40 65y-30=100 51y-y=100 85y+1=-86 45x-50=40 5x+2x+x=5.6 4.8x-2x-x=4. 53X+5X=48 14X-8X=12 5x+2x+x=5.6 4.8x-2x-x=4. 53X+5X=48 14X-8X=12

五年级解方程练习题180题(有答案)教学文案

五年级解方程练习题180题(有答案)

五年级解方程180题有答案 (1)(0.5+x)+x=9.8÷2 (2)2(X+X+0.5)=9.8 (3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6 (6)12x-8x=4.8 (7) 7.5+2X=15 (8)1.2x=81.6 (7)x+5.6=9.4 (10)x-0.7x=3.6 (11)91÷x=1.3 (12) X+8.3=10.7 (13) 15x=3 (14) 3x-8=16 (15) 3x+9=27 (16) 18(x-2)=270 (17) 12x=300-4x (18) 7x+5.3=7.4 (19) 3x÷5=4.8 (25) 0.5x+8=43 (26) 6x-3x=18 (27) 7(6.5+x)=87.5

(28) 0.273÷x=0.35 (29) 1.8x=0.972 (30) x÷0.756=90 (31) 0.1(x+6)=3.3×0.4 (32) (27.5-3.5)÷x=4 (33) 9x-40=5 (34) x÷5+9=21 (35) 48-27+5x=31 (36) 10.5+x+21=56 (37) x+2x+18=78 (38) (200-x)÷5=30 (39) (x-140)÷70=4 (40) 20-9x=2 (41) x+19.8=25.8 (42) 5.6x=33.6 (43) 9.8-x=3.8 (44) 75.6÷x=12.6 (45) 5x+12.5=32.3 (46) 5(x+8)=102 (47) x+3x+10=70 (48) 3(x+3)=50-x+3 (49) 5x+15=60 (50) 3.5-5x=2 (51) 0.3×7+4x=12.5

小学解方程专项练习题非常好

4+x=7x+6=94+x=7+5 4+x-2=7x-6=917-x=9 x-6=9+39+3=17-x16+2x=24+x 4x=1615=3x4x+2=18 24-x=15+2x2+5x=18+3x6x-2=3x+10 3(x+6)=2+5x2(2x-1)=3x+1030-4(x-5)=2x-16 2(x+4)-3=2+5x100-3(2x-1)=3-4x30+4(x-5)=2x-26 20x-50=5028+6x=8832-22x=10 24-3x=310x×(5+1)=6099x=100-x 36÷x=18x÷6=1256-2x=20 36÷x-2=16x÷6+3=956-3x=20-x 4y+2=6x+32=763x+6=18 16+8x=402x-8=84x-3×9=29 8x-3x=105x-6×5=42+2x2x+5=7×3 2(x+3)+3=1312x-9x=96x+18=48 56x-50x=305x=15(x-5)78-5x=28 32y-29y=35(x+5)=1589–9x=80 100-20x=20+30x55x-25x=6076y÷76=1 23y÷23=234x-20=080y+20=100-20y 53x-90=162x+9x=1112(y-1)=24 80÷5x=1007x÷8=1465x+35=100 19y+y=4025-5x=1579y+y=80 42x+28x=1403x-1=8-2x90y-90=90-90y 80y-90=70÷3078y+2y=16088-4x=80-2x 9÷(4x)=120x=40–10x65y-30=100 51y-y=10085y+1=y+8645x-50=40-45x

小学五年级解方程计算题 100道

(x-3)÷2=7.5 X-0.8X=6 9-2x=1 3X-7=26 122X+190=2187X+255=67 (200-x)÷5=30 14X-8X=12 3(x+2.1)=10.5 X÷5+9=21 3.5×2= 4.2+x 54-X=24

7(x-2)=2x+3 73.2-X=52.5 1.4×8-2x=6 3.3÷X=0.3 6x+18=48 (X-2)÷3=7 170X+238=50137X+43=111 22-14x=1210-X=8 16.9÷X=0.3 6.75 -X=1.68

3(x+0.5)=21 7÷X=0.001 x÷5+9=21 89X-43X=9.2 3X+0.7=5 3(X-9)=33 17X+153=169 245X+57=125 (x-140)÷70=4 6×5+2X=44 (x-2)÷3=7 2X+16=19

14-6x=8 6X-6=0 1.8-6x=54 24X+X=50 7.5*2X=15 X-77=144 30÷x+25=85 99-X=61.9 2x+16=19 7X+7=14 x+19.8=25.8 6X-7=12

7x+5.3=7.4 X-3.3=8.9 7(6.5+x)=87.5 3×(X-4)=46 6-2x=11 2X-8=4 3x-8=30 4÷5X=20 20-9x=1.2×6.25 20X-50=50 198X+78=93 131X+199=11

8-7x=1 15+6X=27 42X+110=178 218X+82=254 X-5.7=2.15 X-5÷6=7 26×1.5= 2x+10 7X=49 42x+25x=134 5.3+7X=7.4 7x-9=8 5X+8=19

五年级解方程练习题50题及答案ok

五年级解方程50题有答案 (1)(0.5+x)+x=9.8÷2 (2)2(X+X+0.5)=9.8 (3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6 (6)12x-8x=4.8 (7) 7.5+2X=15 (8)1.2x=81.6 (7)x+5.6=9.4 (10)x-0.7x=3.6 (11)91÷x=1.3 (12)X+8.3=10.7 (13) 15x=3 (14) 3x-8=16

(16) 18(x-2)=270 (17) 12x=300-4x (18) 7x+5.3=7.4 (19) 3x÷5=4.8 (25) 0.5x+8=43 (26) 6x-3x=18 (27)7(6.5+x)=87.5(29) 1.8x=0.972 (30) x÷0.756=90 (31) 0.1(x+6)=3.3×0.4 (32) (27.5-3.5)÷x=4 (33) 9x-40=5 (34) x÷5+9=21 (35)48-27+5x=31

(37)x+2x+18=78 (38) (200-x)÷5=30 (39)(x-140)÷70=4 (40)20-9x=2 (41) x+19.8=25.8 (42) 5.6x=33.6 (43)9.8-x=3.8 (45)5x+12.5=32.3 (46)5(x+8)=102 (47)x+3x+10=70 (48)3(x+3)=50-x+3 (49)5x+15=60 (50) 3.5-5x=2

. 五年级解方程50题答案 (1)(0.5+x)+x=9.8÷2 0.5+2x=4.9 0.5+2x-0.5=4.9-0.5 2x=4.4 2x÷2=4.4÷2 X=2.2(2)2(X+X+0.5)=9.8 2x+2x+1=9.8 4x+1-1=9.8-1 4x=8.8 4x÷4=8.8÷4 X=2.2(3)25000+x=6x 25000+x-x=6x-x 5x=25000 5x÷5=25000÷5 X=5000 (4)3200=440+5X+X 6x+440=3200 6x+450-450=3200-440 6x=2760 6x÷6=2760÷6 X=460 (5)X-0.8X=6 0.2x=6 0.2x÷0.2=6÷0.2 X=30 (6)12x-8x=4.8 4x=4.8 4x÷4=4.8÷4 X=1.2 (7) 7.5+2X=15 2x+7.5-7.5=15-7.5 2x=7.5 2x÷2=7.5÷2 X=3.75 (8) 1.2x=81.6 1.2x÷1.2=81.6÷1.2 X=68 (9) x+5.6=9.4 X+5.6-5.6=9.4-5.6 X=3.8 (10)x-0.7x=3.6 0.3x=3.6 0.3x÷0.3=3.6÷0.3 X=12 (11)91÷x=1.3 91÷x×x=1.3×x 1.3x=91 1.3x÷1.3=91÷1.3 X=70 (12) X+8.3=10.7 X+8.3-8.3=10.7-8.3 X=2.4 (13) 15x=3 15x÷15=3÷15 X=0.2 (14) 3x-8=16 3x-8+8=16+8 3x=24 3x÷3=24÷3 X=8 (15) 3x+9=27 3x+9-9=27-9 3x=18 3x÷3=18÷3 3x=6 (16) 18(x-2)=270 18x-36=270 18x-36+36=270+36 18x=306 18x÷18=306÷18 X=17 (17) 12x=300-4x 12x+4x=300-4x+4x 16x=300 16x÷16=300÷16 X=18.75 (18) 7x+5.3=7.4

小学五年级解方程计算题练习题

一、解方程专题 7+=19 X+120=176 58+X= 90 X+150=290 +X= 2X+55=129 7 X=63 X× 9= =444 X × =90X × 5=100 =124 X-6=19 = = =10 0

X-77=275 X-77=144 X ÷7=9 X÷=10 X÷78= X÷=100 X÷3= X÷=8 9-X= = 87-X=22 66-X= 77-X= 99-X= ÷X= ÷X=

9÷X= 7÷X= 56÷X=5 39÷X=3 3×(X-4)=46 (8+X)÷5=15(X+5) ÷3=1615÷(X+= 12X+8X=40 12X-8X=40 12X+X=26 X+ =6 =32 +X=26 3X+5X=48 14X-8X=12 6×5+2X=44 20X-50=50 28+6X=88

32-22X=10 24-3X=3 10X×(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4X+2=6 X+32=76 3X+6=18 16+8X=40 2X -8=8 4X-3×9=29 8X-3X=105 X-6×5=42 X+5=7

2X+3=10 =6 12X+8X= 7(X-2)=49 4×8+2X=36 (X-2)÷3=7 X÷5+9=21 (200-X)÷5 =30 48-27+5X=31 3X-8=16 3X+9=27 +7X= 3X÷5= 5×3-X=8 40-8X=5 X ÷5=215 X+25=100

X+15=30 2X+8=20 20-2X=6 2X+9= 31 35-5X=10 5(X-6)=20 10(9-X)=20 6(X-3)=12 3(X-9)=33 54-X=24 7X=49 126÷X=42 12÷X= -X= = +6×5=37

六年级数学解方程计算题100道

六年级数学解方程计算 题100道 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

人教版六年级解方程100题 10×X=258 33÷X =2011 X ×60%=18×4 1 12%X + 5 3 X =216 X —58% =84 50%X - 35%X = 15 1.9×0.8-3.6X =0.8 7X -5.5X =4.65 6x -x =9.6 x -1.2=5.25 1.2(x -3.5)=1.8 (x -3.6)÷4=1.6 15.5x +2.5x =36 x -0.58x =8.4 100 - 20x = 20 4.1x -2.3x +0.5=7.7 34 x÷1 6 =18 X+ 79 X=43 3.6x ÷2=2.16 17-0.2x=5 3 4 x -0.25x =12

χ-52χ=103 χ×(1+61)=280 15 8 χ-52=103 4x ÷35 =415 34 x -15 x=1112 34 x -14 =1112 +1 5 x 95x =103 x ÷121=3 1 (1+25%)x =5 x -51x =7 (x -21)÷3=41 4 1 x+2×31=6 12-x=4 x ÷5=15 4x -3×9.1=28.7 (x -3)÷4=7.5 1.9×0.8-3.6X =0.8 7X -5.5X =4.65 x-52x=14 53+41x=20 17 7-3 2=2x

31 x +5=21 x 53 x +52= 5 33÷x =20 11 x -85x=31×45 x ×31×53=4 x ×(34+23)=724 4x —3 ×9 = 29 23 5 x -1 7 = 1 (4 5 +3.2)x =2 3 1.75x -0.5x =6.25 34 x -58 =56 1-58 x=2 3 95÷X=1110 6×121-21χ=21 χ∶81 =56 6X ÷34 =24 χ+ 35 χ= 1617 54X -18×3 2 =4 X -27 X=114 X ÷18 =15×23 40%X-14 =712

五年级解方程练习题180题(有答案)(2)

五年级解方程180题有答案(1) (0.5+x)+x=9.8 - 2 (12) X+8.3=10.7 (2) 2(X+X+0.5)=9.8 (13) 15x = 3 (3) 25000+x=6x (14) 3x -8= 16 (4) 3200=440+5X+X (15) 3x+9=27 (5) X-0.8X=6 (16) 18(x-2)=270 (6)12x-8x=4.8 (17) 12x=300-4x (7) 7.5+2X=15 (18) 7x+5.3=7.4 (8)1.2x=81.6 (19) 3x - 5=4.8 (7) x+5.6=9.4 (25) 0.5x+8=43 (10)x-0.7x=3.6 (26) 6x-3x=18 (11)91 - x = 1.3 (27) 7(6.5+x)=87.5

(28) 0.273 - x=0.35 (40) 20-9x=2 (29) 1.8x=0.972 (41) x+19.8=25.8 (30) x - 0.756=90 (42) 5.6x=33.6 (31) 0.1(x+6)=3.3 X 0.4 (43) 9.8-x=3.8 (32) (27.5-3.5) - x=4 (44) 75.6 - x=12.6 (33) 9x-40=5 (45) 5x+12.5=32.3 (34) x - 5+9=21 (46) 5(x+8)=102 (35) 48-27+5x=31 (47) x+3x+10=70 (36) 10.5+x+21=56 (48) 3(x+3)=50-x+3 (37) x+2x+18=78 (49) 5x+15=60 (38) (200-x) - 5=30 (50) 3.5-5x=2 (39) (x-140) - 70=4 (51) 0.3 X 7+4x=12.5

解方程计算练习题80道

y+3.5=10 6÷y=10 y-3=4.5 8+x=9.4 12-x=8.5 13-x÷40=1.5 10.7+n=21 32.8-3b=17.8 4y-24=16 100x÷6=2.5 7×8+10x=128 m×33=99 x-0.9=24.7 2x+5.67=13.67 10b=1.4 x÷4.5=8.8 5y-0.3=34.7 10a÷5.5=10.5 2b=100 5x+15=65 x+18=50 10x=4.2 2.5=y-7.5 m÷0.7=1.2 100x-0.4=22 3a÷5=4.8 2x÷10=5.2 4x-20=0 5x+8x=260 x÷0.3=4.6+5.6 5x+15=65 10x=4.2 100x=48 10x-4=22 5x+8x=260 x÷3=4.6+5.6 10n=48 m÷0.7=1.2 10x+18=50 18=y-7.5 75-5x=55 x÷40=4.8 y+5y=96 x+8.3=10.7 x+5.6=9 5-x=1.53 91÷x=100 10x+5.3=7.3 10-3x=4 3x-5+2x+4=14 45-6x+9x=15 7x+18-6x+12=60 39-5x=9 2x+3+16x-7=32 33-8x+7-7x=10 9x-7-6x+5=10 3x+5=6x-10 5x-8=16-3x 20-4x=x+5 16-2x=46-8x 7x+9=9x-17 10x-6=54-5x 25-3x=4x-3 50+3x=70-7x 32-7x=62-10x 57-12x=27-7x

2×(4x+3)=x+1 5-3×(2x-3)=2 2x-3(4x-9)=x-6 2(3x-5)=13+5(5-2x) 48-(x+8)=3(x-4) 17-5x=7 6x+7-4x=19 44-10x+5x=4 3x+6=8x-14 5-2x=3x-25 7-8x=9-10x 2(x+7)=3-3(x-5) 34-x=6x-2(2x+4) 8x-3x=45

完整小学小学六年级的数学解方程计算题.doc

布朗山乡小学六年级数学《解方程》复习题 (1)3 χ +2.4 χ =6 5 (10) x = 1.5 1.20.6 姓名班级 1 (18)3÷4χ=2.5 (2)3.5:χ =5:4.2 (3)1.8 χ-χ =2.4 (4)10 = 2.5 x0.8 (5)6 ×3-1.8 χ =7.2 (11) 3 × 1 -χ = 1 52 5 (12) 2 χ+50%=42 3 (13)4 χ- 13=31 (14)4.5+8 χ=27 1 2 (19)x =1.5 0.4 6 (20)1.6 :χ= 2 : 3 510 (21)3χ- 16× 3= 102 (6)17 -5χ=2.4+3 (7)x = 1.2 4 5 (8)χ-1 χ= 3 48 1 5 (15)2 χ +4.3 × 3=14 1 2 (16)χ× (1 - 3 ) = 1 2 8 3 (17)χ- 1 χ= 3 (22)x: 1 7 = 1 : 1 9 20 3 (23)4χ+ 7.1 =12.5 (24)χ: 0.6 = 1 :4 3 (25) 2 : 3 = 7 : χ (9)12.6 ×5 -2χ=8 48 379 6

(26)0.3 χ- 2=9.1 (27)x = 0.6 7 3.5 (28)1 x- 1 = 1 24 8 (29)χ: 1 = 1 : 1 2 4 8 (30)1 : χ= 1 : 1 248 (31)3 χ+ 1 χ= 2 2 413 (32) 5 : 5 =0.3: χ14 7 (33)131 -χ= 89.2 (34)1 :0.25 =80%: χ3 (35)4 χ+ 7.1 = 12.5 (36) 3 - 1 χ= 1 4 25 (37) 2 χ- 1 χ+ 1 = 2 325 3 (38) 3 : 3 =χ :12 4 5 (39)χ- 1 χ = 7 210 (40)χ : 3 =12:3 4 (41)2.4 χ- 0.45 ×2=0.3 (42) 1 : 1 =χ:0.1 4 8 (43)6.3 -5χ=4.1 (44)1.25:5=0.75:χ (45) 1 : χ = 3 :6 24 (46) 3 × 2.5 -χ =0.6 5 (47)χ- 1 χ= 5 612 (48) 1 : χ= 1 : 6 3 5 7 (49) x = 0.1 10 2 (50) 2 χ- 1 χ+1.2=3.4 32 (51)4:6=15: χ (52) 1 : 3 =χ : 2 2 4 3

小学数学解方程100道练习题

(1) 4x-20=4 (2) 3.2x-42=26.8 (3)5x+6=18 (4) 40x+5x=124 (5) 5(2.2+x)=10.8 (6) 2(x+1.8)=3.6 (7) (x-8):2=8.8 (8) 7(x-5)=49.7 (9) 13.8x+11.2x=50.5 (10) 6x+29=137 (11) 4x=x+99 (12) 9x+10=91 (13) x+7.1=7.2 (14) 4x-x=89.8 (15) 99-10x=70 (16) 9.5x-5x=28 (17) 11.8+2x=65 (18) X-7.7=9.15

(19) 9.9x-99=9.9 (20) 58X-55X=81 (21) 49+4x=53 (22) 5X+2.9=9.3 (23) 5x+15=39.6 (24) 7.5=6.9+x (25) 59x-39x=240 (26) 4X+3.5=2x+99 (27) 1.2x-5=37 (28) 2x-55=89 (29) 3x-100=35 (30) 7x+14=49 (31) 6x+36=54 (32) 36x-72=0 (33) 55x-55=55 (34) 5x+76=19

(35) 45x-35x=100 (36) 3x-89=100 (37) 5x+39=109 (38) 5x-49=7.3 (39)8+2x=98 (40) 6x-3X-21=21 (41) 56-5-x=8 (42) 6x-5=41 (43) 5x+79=17.5 (44) 9x=98-8 (45) 81+3x=99 (46) 5x-55=17 (47) 5x+9x=28 (48) 5x+88=98 (49) 2x+54=93 (50) 75-2x=53

(word完整版)七年级解方程计算题专项练习

解方程: (1)215x x -+= (2)1 4342 x x -=+ (3)23 41255x x -=+ (4)2 3.5 4.51x x -=- (5)76226x x --=-; (6)4352x x --=--; (7)453x x =+; (8)3735y y +=-- (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)4(x-1)-10(1-2x)=-3(2x+1) ( 6) 2(x+3)-5(1-x)=3(x-1) (7) 3(x+1)-2(x+2)=2x+3 (8)2(x-1)-(x-3)= 2(1.5x-2.5) (9)3(x-7)-2[9-4(2-x)]=22 (10)3x-2[3(x-1)-2(x+2)]=3(18-x)

(11) x x 3221221413223=-?? ? ???+??? ??+ (12) x x 23231423 =??????-??? ??- (1) 2x =3x-1 15 12 (2)=-+x x 12136x x x -+-=- 12 136 x x x -+-=- (5) 124362x x x -+--= (6)112 [(1)](1)223 x x x --=-

(7) 35.012.02=+--x x (8)x x -=+3 8 (9)43(1)323322x x ?? ---=???? (10)2x -13 =x+22 +1 (11)3142125x x -+=- (12) 31257243y y +-=- 一架飞机飞行在两个城市之间,顺风需2小时,逆风需3小时,已知风速为20千米/时,求两个城市之间的距离

五年级数学解方程计算练习题

五年级解方程计算题183道 (1)(0.5+x)+x=9.8÷2(2)2(X+X+0.5)=9.8(3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6 (6)12x-8x=4.8 (7)7.5+2X=15 (8)1.2x=81.6 (7)x+5.6=9.4 (10)x-0.7x=3.6 (11)91÷x=1.3(12)X+8.3=10.7 (13)15x=3 (14)3x-8=16 (15)3x+9=27 (16)18(x-2)=270 (17)12x=300-4x (18)7x+5.3=7.4 (19)3x÷5=4.8 (25)0.5x+8=43 (26)6x-3x=18 (27)7(6.5+x)=87.5

(28)0.273÷x=0.35 (29) 1.8x=0.972 (30)x÷0.756=90 (31)0.1(x+6)=3.3×0.4 (32)(27.5-3.5)÷x=4 (33)9x-40=5 (34)x÷5+9=21 (35)48-27+5x=31 (36)10.5+x+21=56(37)x+2x+18=78 (38)(200-x)÷5=30 (39)(x-140)÷70=4(40)20-9x=2 (41)x+19.8=25.8 (42) 5.6x=33.6(43)9.8-x=3.8(44)75.6÷x=12.6(45)5x+12.5=32.3(46)5(x+8)=102(47)x+3x+10=70(48)3(x+3)=50-x+3(49)5x+15=60(50) 3.5-5x=2(51)0.3×7+4x=12.5

小学数学解方程练习题

小学数学解方程练习题

小学数学解方程练习题公司内部档案编码:[OPPTR-OPPT28-OPPTL98-OPPNN08]

解方程练习2013-11-18 一、基本。易错练习: -x+4=10 -x-12=34 - 8x=96 -4x-30=08.-3x-2x=63 -x÷10 = . -3x+ 7x +10 = 90 -3(x - 12)+ 23 = 35 -7x-8=2x+27 -5x -18 = 3–2x (7x - 4)+3(x - 2)=-2x +6 80-x=20 2、 12x+8x-12=28 -3(2x-1)+10=37 4、+-x-5=27 5、- 2(3x-4)+(4-x)=4x 6、 3(x+2)÷5=-(x+2) 7、 -(3x+5)÷2=(5x-9)÷3 1、 -7(4-x)=9(x-4) 2、 128-5(2x+3)=73 3、++= 4、-x÷=100 5、 3(x +1 )-(2x – 4)= 6 1.方程4(2-x)-4(x+1)=60的解是 A.7 B。6/7 C。-6/7 D。-7 2.解方程4(x-1)-x=2(x+)步骤如下○1去括号,得4x-4-x=2x+1 ○2移项得4x+x-2x=1+4○3合并同类项得3x=5 ○4系数化为1得x=5/3其中错误的是 A ○1 B. ○2 C. ○3 D.○4 3.某中学进行义务劳动,去甲处劳动的有30人,去乙处得有24人,从乙处调一部分人到甲处,使甲处的人数是乙处人数的2倍,若设从乙处调x人到甲处,则所列方程为 (30+X)=24-X +X=2(24-X) =2(24+X) (30-X)=24+X 4.下列变形正确的是

五年级解方程练习题180题及答案

五年级解方程180题有答案 (1)(0.5+x)+x=9.8÷2 (2)2(X+X+0.5)=9.8 (3)25000+x=6x (4)3200=440+5X+X (5)X-0.8X=6 (6)12x-8x=4.8 (7) 7.5+2X=15 (8)1.2x=81.6 (7)x+5.6=9.4 (10)x-0.7x=3.6 (11)91÷x=1.3 (12)X+8.3=10.7 (13) 15x=3 (14) 3x-8=16 (15) 3x+9=27 (16) 18(x-2)=270 (17) 12x=300-4x (18) 7x+5.3=7.4 (19) 3x÷5=4.8 (25) 0.5x+8=43 (26) 6x-3x=18 (27) 7(6.5+x)=87.5

(28)0.273÷x=0.35 (29) 1.8x=0.972 (30) x÷0.756=90 (31) 0.1(x+6)=3.3×0.4 (32) (27.5-3.5)÷x=4 (33) 9x-40=5 (34) x÷5+9=21 (35) 48-27+5x=31 (36) 10.5+x+21=56 (37)x+2x+18=78 (38) (200-x)÷5=30 (39)(x-140)÷70=4 (40)20-9x=2 (41) x+19.8=25.8 (42) 5.6x=33.6 (43)9.8-x=3.8 (44)75.6÷x=12.6 (45)5x+12.5=32.3 (46)5(x+8)=102 (47)x+3x+10=70 (48)3(x+3)=50-x+3 (49)5x+15=60 (50) 3.5-5x=2 (51)0.3×7+4x=12.5

(完整版)小学六年级数学解方程计算题

(1) 5 3 χ+2.4χ=6 (2)3.5: χ=5:4.2 (3)1.8χ-χ=2.4 (4) x 10 = 8.0 5.2 (5)6×3-1.8χ=7.2 (6)17-5χ=2.4+3 5 1 (7) 4 x = 5 2.1 (8) χ- 4 1 χ= 8 3 (9)12.6× 6 5 -2χ=8 (10) 2.1 x = 6.0 5.1 (11) 5 3 × 2 1 -χ= 5 1 (12) 3 2 χ+50%=42 (13)4χ-13=31 (14)4.5+8χ=27 2 1 (15)2χ+4.3×3=14 2 1 (16) χ×(1- 8 3 )=1 3 2 (17)χ- 4 1 χ= 8 3 (18)3 2 1 ÷4χ=2.5 (19) 4.0 x = 6 5.1 (20)1.6:χ= 5 2 : 10 3 (21)3χ-16×3=102 (22)x:1 9 7 = 20 1 : 3 1 (23)4χ+7.1=12.5 (24)χ:0.6= 3 1 :4 (25) 3 2 : 7 3 = 9 7 :χ (26) 0.3χ-2=9.1

(27)7x =5 .36.0 (28)21x -41=8 1 (29) χ: 21=41:8 1 (30)21: χ=41:8 1 (31)3χ+41χ=213 2 (32) 145:7 5 =0.3: χ (33)131-χ=89.2 (34)31 :0.25=80%: χ (35)4χ+7.1=12.5 (36)43-21χ=5 1 (37)32χ-21χ+51=3 2 (38)43:5 3 =χ:12 (39) χ-21χ=10 7 (40) χ: 4 3 =12:3 (41)2.4χ-0.45×2=0.3 (42)41:81 =χ:0.1 (43)6.3-5χ=4.1 (44)1.25:5=0.75:χ (45)21:χ=4 3:6 (46)53 ×2.5-χ=0.6 (47) χ-61χ=12 5 (48)31: χ=51:76 (49)10x =21.0 (50)32χ-21 χ+1.2=3.4 (51)4:6=15:χ (52)21:43=χ:3 2

六年级数学解方程练习题

48-3 x =16 5 x ×(5+1)=60 99 x =100 36÷ x=18 X -27 X=43 2X + 25 = 35 70%X + 20%X = 3.6 X ×53=20×41 x÷6=12 56-2 x =20 4y+2=6 x+32=76 X +83X =121 5X -3×215=75 32X ÷41=12 25% + 10X = 5 4 16+8x=40 2x-8=8 4x-3×9=29 3x+6=18 6X +5 =13.4 834143=+X 3X=83 X - 15%X = 68

54-X=24 7X=49 126÷X=42 8x-3x=105 X ÷72=167 X +87X=43 4X -6×32 =2 125 ÷X=310 2(x+3)=10 12x-9x=9 56x-50x=30 5x=15(x-5) 53 X = 722598 X = 61×5116 X ÷356=4526×25 13 4x -3 ×9 = 29 23y÷ 23=23 4x-20=0 80y+20=100-20y 78-5x=28 103X -21×32=4 21x + 61 x = 4 6X +5 =13.4 25 X-13 X=310

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(1)5058=)-+(x ; (2)293)=-(x ; (3)3-243)=+(x ; (4)2-122)=-(x ; (5)443212 +)=-(x x ; (6)3 23236)=+(-x ; (7)x x 2570152002+)=-(; (8)12123)=+(x . 3、【综合Ⅰ】解方程: (1) 452x x =+; (2)3423+=-x x ; (3)) -()=+(3271 131x x ; (4))-()=+(13 114 1x x ; (5) 14 2 312-+=-x x ; (6)) +(-)=-(25 1 2121x x . (7))+()=+(20411471 x x ; (8))-(-)=+(73 1211551x x . 3.1、【综合Ⅰ】解方程: (1) 432141=-x ; (2)83457=-x ; (3)81 5612+= -x x ; (4)6 2 9721-= -x x ; (5)1232151 )=-(-x x ; (6)1615312=--+x x ; (7)x x 241427 1 -)=+(; (8)25 9 30030010 2200103 )=-()-+(x x . 4、【综合Ⅰ】解方程: (1)307221159138)=-()--()--(x x x ; (2)5 1413121 -=+x x ;

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6×5+2X=44 20X-50=50 28+6X=88 32-22X =10 创作编号: GB8878185555334563BT9125XW 创作者:凤呜大王* 24-3X=3 10X×(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4X+2=6 X+32= 76

3X+6=18 16+8X=40 2X-8=8 4X-3×9= 29 8X-3X=105 X-6×5=42 X+5=7 2X+3=10 X-0.8X=6 12X+8X=4.8 7(X-2)=49 4×8+2X =36 (X-2)÷3=7 X÷5+9=21 (200-X)÷5=30 48-27+5 X=31

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