Free Printable Bài 4_Số

1.

$5.2^2-18\ :\ 3^2$

(a)

2.

$17.85+15.17-120$

(a)

3.

$2^3.17\ -\ 2^3.14$

(a)

4.

$20-\left[30-\left(5-1\right)^2\right]$

(a)

5.

$75-\left(3.5^2-4.2^3\right)$

(a)

6.

$2.5^2+3:71^0-54:3^3$

(a)

7.

$150+50:5-2.3^2$

(a)

8.

$5.3^2-32:4^2$

(a)

9.

$27.75+25.27-150$

(a)

10.

$12\ :\ \left\{400\ :\ \left[500-\left(125+25.7\right)\right]\right\}$

(a)

11.

$13.17-256:16+14:7-1$

(a)

12.

$18:3+182+3.\left(51:17\right)$

(a)

13.

$15-25.8:(100.2)$

(a)

14.

$25.8-12.5+170:17-8$

(a)

15.

$2^3-5^3:5^2+12.2^2$

(a)

16.

$2.\left[\left(7-3^3:3^2\right):2^2+99\right]-100$

(a)

17.

$\left(3^5.3^7\right):3^{10}+5.2^4-7^3:7$

(a)

18.

$\left(7^5+7^9\right).\left(5^4+5^6\right).\left(3^3.3-9^2\right)$

(a)

19.

$5\left[\left(85-35:7\right):8+90\right]-50$

(a)

20.

$2^7:2^2+5^4:5^3.2^4-3.2^5$

(a)

21.

$3^2.\left[\left(5^2-3\right):11\right]-2^4+2.10^3$

(a)

22.

$\left[\left(5^2.2^3\right)-7^2.2:2\right].6-8.2^5$

(a)

23.

Tìm số tự nhiên x, biết $70-5.\left(x-3\right)=45$

a)

8

b)

9

c)

10

d)

7

24.

Tìm số tự nhiên x, biết $12+\left(5+x\right)=20$

a)

3

b)

2

c)

1

d)

4

25.

Tìm số tự nhiên x, biết $130-\left(100+x\right)=25$

a)

5

b)

6

c)

7

d)

4

26.

Tìm số tự nhiên x, biết $175+\left(30-x\right)=200$

a)

5

b)

2

c)

3

d)

7

27.

Tìm số tự nhiên x, biết $5.\left(x+12\right)+22=92$

a)

2

b)

1

c)

3

d)

4

28.

$95-5.\left(x+2\right)=45$

a)

8

b)

7

c)

10

d)

9

29.

$10+2x=4^5:4^3$

a)

3

b)

2

c)

1

d)

4

30.

$14x+54=82$

a)

2

b)

3

c)

4

d)

1

31.

$15x-133=17$

a)

10

b)

11

c)

12

d)

8

32.

$155-10\left(x+1\right)=55$

a)

9

b)

1

c)

2

d)

10

33.

$6.\left(x+2^3\right)+40=100$

a)

2

b)

1

c)

0

d)

4

34.

$2^2.\left(x+3^2\right)-5=55$

a)

6

b)

7

c)

3

d)

5

35.

$5.2^2+\left(x+3\right)=5^2$

a)

2

b)

3

c)

1

d)

4

36.

$2^3+\left(x-3^2\right)=5^3-4^3$

a)

62

b)

60

c)

61

d)

64

37.

$4\left(x-5\right)-2^3=2^4.3$

a)

19

b)

20

c)

18

d)

17

38.

$5.\left(x+7\right)-10=2^3.5$

a)

3

b)

4

c)

10

d)

5

39.

$7^2-7\left(13-x\right)=14$

a)

8

b)

9

c)

10

d)

7

40.

$5x-5^2=10$

a)

7

b)

8

c)

10

d)

9

41.

$9x-2.3^2=3^4$

a)

11

b)

10

c)

12

d)

9

42.

$10x+2^2.5=10^2$

a)

8

b)

10

c)

3

d)

9

43.

$125-5\left(4+x\right)=15$

a)

18

b)

20

c)

22

d)

16

44.

$2^6+\left(5+x\right)=3^4$

a)

12

b)

11

c)

13

d)

16

45.

$15:\left(x+2\right)=3$

a)

x = 5

b)

x = 2

c)

x = 1

d)

x = 4

46.

$5\left(x+35\right)=515$

a)

x = 68

b)

x = 80

c)

x = 50

d)

x = 75

47.

$20:\left(1+x\right)=2$

a)

x = 2

b)

x = 0

c)

x = -1

d)

x = 9

48.

$12x-33=3^2.3^3$

a)

x = 7

b)

x = 32

c)

x = 23

d)

x = 10

49.

$240:\left(x-5\right)=2^2.5^2-20$

a)

x = 12

b)

x = 6

c)

x = 8

d)

x = 10

50.

$541+\left(218-x\right)=73$

a)

x = 150

b)

x = 686

51.

$96-3\left(x+1\right)=42$

a)

x = 25

b)

x = 17

c)

x = 20

d)

x = 15

52.

$1230:3\left(x-20\right)=10$

a)

x = 400

b)

x = 16

c)

x = 420

d)

x = 61

53.

$27.75+25.27-150$

a)

2550

b)

5520

c)

2604

d)

4026

54.

$142-\left[50-\left(2^3.10-2^3.5\right)\right]$

a)

132

b)

123

c)

231

d)

213

55.

$375:\left\{32-\left[4+\left(5.3^2-42\right)\right]\right\}-14$

a)

1

b)

0

c)

2

d)

4

56.

$\left\{210:\left[16+3.\left(6+3.2^2\right)\right]\right\}-3$

a)

0

b)

1

c)

2

d)

4

57.

$500-\left\{5.\left[409-\left(2^3.3-21\right)^2\right]-1724\right\}$

a)

224

b)

422

c)

424

d)

242

58.

$80-\left(4.5^2-3.2^3\right)$

a)

4

b)

5

c)

1

d)

9

59.

$5^6:5^4+2^3.2^2-1^{2017}$

a)

56

b)

57

c)

55

d)

50

60.

$125-2.\left(56-48:\left(15-7\right)\right)$

a)

25

b)

20

c)

30

d)

15

61.

$23.75+25.10+25.13+180$

a)

2480

b)

2840

c)

2048

d)

2084

62.

$2448:\left[119-\left(23-6\right)\right]$

a)

24

b)

20

c)

42

d)

25

63.

$\left[36.4-4.\left(82-7.11\right)^2:4-2016^0\right]$

a)

118

b)

181

c)

811

d)

818

64.

$303-3.\left\{\left[655-\left(18:2+1\right).4^3+5\right]\right\}:10^0$

a)

243

b)

234

c)

532

d)

230

65.

$48-3\left(x+5\right)=24$

a)

x = 3

b)

x = 10

c)

x = 7

d)

x = 5

66.

$2^{x+1}-2^x=32$

a)

5

b)

6

c)

1

d)

4

67.

$\left(15+x\right):3=3^{15}:3^{12}$

a)

66

b)

99

c)

52

d)

60

68.

$250-10\left(24-3x\right):15=244$

a)

5

b)

10

c)

2

d)

15

69.

$4x+18:2=13$

a)

1

b)

2

c)

3

d)

4

70.

$2x-2^0=3^5:3^3$

a)

5

b)

10

c)

15

d)

20

71.

$5^{25}.5^{x-1}=5^{25}$

a)

1

b)

-1

c)

0

d)

no answers

72.

$x-48:16=37$

a)

40

b)

39

c)

38

d)

37

73.

$\left[\left(8x-12\right):4\right].3^3=3^6$

a)

15

b)

20

c)

10

d)

25

74.

$41-2^{x+1}=9$

a)

4

b)

2

c)

6

d)

0

75.

$3^{2x-4}-x^0=8$

a)

3

b)

1

c)

2

d)

0

76.

$65-4^{x-2}=2014^0$

a)

5

b)

2

c)

3

d)

1

77.

$120+2.\left(8x-17\right)=214$

a)

8

b)

10

c)

9

d)

6

78.

$30-\left[4\left(x-2\right)+15\right]=3$

a)

5

b)

4

c)

6

d)

10

79.

$740:\left(x+10\right)=10^2-2.13$

a)

0

b)

2

c)

không có đáp án

d)

nhiều đáp án

80.

[Khó] $65-4^{x+2}=2020^0$

a)

1

b)

2

c)

0

d)

không đáp án

Bài 4_Số_HKI

Total questions: 80

Worksheet time: 51mins

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