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四五六年级小数解方程求未知数专项练习

来源:尚车旅游网
X-7.4=8

14X+25X=156

2X-0.6X=4.2

3.6÷x=7.2

8x÷5=42.8

2.8x+0.4=6

0.8(5+x)=32

7x-3.5x=9.1

5.6x-9.2×3=11.6

2.5(x-1.9)=5.5

4×2.3+2x=9.8

6.7x+2.2x=93.45

67.8-1.5x=34.2

x-1.2=7.4

3x+1.6=6.1

5×0.6+4x=7.8

3x÷2=15.6

4.5+2x=11.5

7x-48=15

x÷0.8=3.2

5.3x+4×1.5=59

8.5x+11.5x=10

1.2x+5×1.2=36 3x=27.9

5x+10.5=30

x+2.2x=2.96

9.8-2x=3.4

4.2(x-1.5)=29.4

7.9-2x=3.4

x+0.6x=7.2

8÷x=0.5

8x-4×7=42

x-0.9x=81.9

(0.3+x)×4=6.8

6x-7.2=9.6

9x-4.6x=15.4

14.5-x+12=18.4

4.2(x-2.4)=29.4

24-2x=2.8

x+0.5x=2.7

x+0.5x=4.2

4(x-1.9)=7.2

3x-4×6.5=7.6

12x-9x=8.7 x÷4.2=2

2x+23×4=134

3(x+2.1)=10.5

5x+6x=24.2

2.5x-2=5.5

2×(x+0.8)=8.4

※1.5×3+2x=11.5 x÷1.5=4

x-7.2+2.8=5

3.6x-2.8x=80

2x-2×0.3=8

7.5÷x-3=2

18×1.5-1.7x=13.4

4x+6x=26

48+2x=100

16x-4×12=80

(x+5.2)×2=18.2

17.8-2.5x=5.3

(x-4)÷7.5=20

6.3-x=2.3

13+x=28.5

2.4x=26.4

3.6-x=0.54

x÷6.5=1.6

△7.5÷x=3

3.2x-4.8=2.4

x+12=31

2.4÷x=3

6x﹣35=13

5x+9x=2.8

8x-3x=15

9x+4x=52+13(检验)

16.7x-10x=28+39(检)

4x+7=23-4x

2(2x-5)=14

(127-4x)÷5=19

4x-3×9=25

0.5+4.5x=45.5

3x-2.4=x

8x-5x=30

0.9x-3×1.2=7.2

20x÷2=360 x÷27=3

x+7-9=34

5x-2.6=82.4

5.4x+6.6x=7.2

5.5×17.3+6.7×5.5

3.8+4.29+2.1+4.2

x÷1.44=0.4

3.85+1.5x=6.1

0.7x=4.2

4(0.3+x)=4.8

(10x-25)÷5=15

8+2x=13

5x+6x=24.2

0.2×2+2x=10 7y=4.9

0.7x+2.3=3.21

4x-5.2=1.8

3x÷5=18

6×7+2x=92

0.6x+0.3×4=4.2

(2.7+1.8)÷x=0.3

x+13=28.5

x-18=42

x-3.7=13(检验)

7.5+x=20(检验) 4÷x=8

x-3.5=7.5

2x-2.4=12.4

64+3x=184 4x÷6=8

5.6x+3.4x=2.7

x+0.8=7.6

6.2x﹣x=41.6

5.58÷x=3.1

4x﹣97=34.2

8x+25=65

5x+x=72

16÷4x=20

6.72+1.2x﹣2x=1.44

10x-3x=14

1.8+2x=3.5

8x-37=283

4×(12+x)=80

8x+9=17(检验)

(50-14x)÷2=11(检)

52-x=15

(x+2.5)×4=15

8x-8×3=2x

3×1.5+6x=33

(x-12)÷4=4.5

8x-5x=27

5x-2+1.8=3.6

7(x-1.2)=2.1

y÷0.3=6.6

45 + a=67

9x+5=32

3.8x+8.2x=48

7x-1.2 = 3.7

x+2.75=3.86

x+0.8x=36

1.5x+0.6×3=4.8

x+6x=65.1

4.8+4x=40

2.5+x=24÷4

20x÷2=360

6.4-x=3.6

9.5x-5×3=13.5

12(8﹣x)÷3=2.8

*6.2x=0.2(x+6)

17.8+14x=26.2

3(x+5)=24

x﹣0.36x=20×0.8

3x+2.4×3=11.4

7.8+x=14.6

4x+14=50

3(x-1)=27(检验)

23x=4.6

36x+5x=123

3x+4 = 40

4x-2=10

4x-3×9=29

12x-9x=8.7

x÷3=78

x-23=38

15x+9.8=34.7

12x-9x=8.7 x÷8=0.4

2(x-3)=106

4.5+y=7.8

0.6x=12

x-18=57

45-x=40.5

90+6x=210

3.6x-20×0.5=26

2.3x-4.1=9.7

1.5x-x=5

18.5x-9.9x=1.72

5x-2.5x=0.1

7.4x+2.8x=30.6

y-5.6=6.7

3.5x-1.5x=10.8

5x+4×2=18

0.8x-5×2=2.56

0.7x+0.6x=52(检验)

4.5x-3.1x=28(检验)

4x+2.8=5.6

12x÷4=9

3x+4.5=31.2

7.1+x=34.3

x-785=215

x÷0.04=35.2

3x-0.5x=10

0.25x-1.8=4.2

2x+5×3=45

0.2x+x=6

23+8x=65

x﹣12=81

5.1+x=10.5

6x=4.2

x÷0.4=12.5

25+8x=65

2x+x=21

4x+8×1.2=36

2x-3.8+4.2=10

x÷0.26=10

1.4x+9.2x=53

4(x﹣0.7)=26

7x-2×9=80

13x-7.5x=18.7

(x+12)×6=108

A + 90=123

12x-8x=40

x+0.5x=6

6×5+2x=44

20x-50=50

(200-x)÷5=30

48-27+5x=31

9x﹣2.7=1.8

6x+1.4=25.4

3x+2x=12.5

0.75x-0.5x=1

3.2x+4=10.4

7.6+x=34.5

x÷0.4=35.2

6x-4x=20.2

7.5x+14=59

12(x+3.7)=144

5x-3×11=42

4x-54=14

7x+10x=102

5(x+20)=105

0.26×(5-x)=0.91

3×(x-4)=48

(8+x) ÷5=15

(x+5) ÷3=16

12x+8x=40

12x-8x=40

x+0.5x=6

5.9x﹣2.4x=7

2(x﹣3)=5.8

(100﹣3x)÷2=8

6.3÷x=7

3.5x+1.8=12.3

25x+5x=120

x-13=37

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