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2021年2月14日发(作者：没有冷却的泪滴)

1. 2.5x7x8.4

2. 20%x1.6x50

3. 13x10+10x37

4.

46x8x3.7

5.

X+10x4=100

6.

66+55x20x50%

7.

23x58÷

58

8.

7.6÷

0.2+10x2

9.

50÷

5x8+1

10.

2x5x7x8

11.

5.86x101-5.86

12.

3x153-3x53

13.

125÷

(50÷

8)

14.

0.89x100.1÷

2

15.

57x3x2

16.

1.45+15x6

17.

(80÷

20+80)÷

4

18.

50%x50%+7.5

19.

8x8x7

20.

78x9÷

9+9

21.

21x15÷

5÷

0.1

22.

56x5x2÷

5

23.

81÷

9+33x3+6

24.

5x6x7x8

25.

25x12.5x3.2

26.

5+21x8-10

27.

(21x56-1)÷

5

28.

9x8x5

29.

87+6x5

30.

56x5÷

3+50

31.

5x6x8÷

4-5

32.

6÷

2+5x8

33.

65÷

5+9-3

34.

2.5x(5-1)x32

35. 600x1÷

6-5+9

36. 36+6x6÷

3

37.

32x4.8+0.52x73.2

38.

21x3+6÷

2

39.

6x65x5÷

30

40.

8x65-50

41.

54x9÷

6+2

42.

12x7+8-4

43.

10x52÷

5÷

5

44.

25x0.04+5-3

45.

12.5x0.4÷

10+30

46.

46-15x3+16-7

47.

3.14x16+3.14x9

48.

48x2÷

6+60

49.

5x6x8x6

50.

0.52x100÷

10

51.

0.275x10+50-21

52.

(0.5x4+6-3)÷

2

53.

2.5x8÷

2+10

54.

5x6x8x25

55.

2x62÷

4+20

56.

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