实数计算问题

1.(-23)+(-15)

2.33+(-33)

3.65+(-17)

4.(-12)+(-67)

5.(-72)+84

6.23+(-32)

7.(-12)+11+(-8)+39

8.(-15)+14+(-43)+18

9.18+(-15)-23+15

10.5+(-6)+3+9+(-4)+(-7)

11.(-1/4)+1/3+1000+(-4/3)+0.25

12.-5+23

13.(-3/4)-1/2

14.-8-7-(-10)

15.1/4-(-3/4)

16.1.9-(-0.6)

17.3+7-12

18.-2-6+4

19.-5-9+3

20.10-17+8

21.-8+12-16-23

22.-3-4+19-13

23.-4.2+5.7-8.4+10

24.6.1-3.7-4.9+1.8

25.1/3-2/3+1

26.-1/4+5/6+2/3-1/2

27.12-(-18)+(-7)-15

28.-40-28-(-19)+(-24)-(-32)

29.4.7-(-8.9)-7.5+(-6)

30.-2/3+(-1/6)-(-1/4)-1/2

31.5×-9

32.(-6)×0.25

33.1/4×(-8/9)

34.(-5/6)×(-3/10)

35.(-1.25)×(-4)

36.4×(-4)×(-5)

37.(-8)×(-55)×(-0.125)

38.4×(-1/5)×2

39.(-1.2)×0.75×(-1.25)

40.0.125×(-2)×(-8)

41.(0.1)×(-0.001)×(-10)

42.(-1/4-3/8+5/12-7/18)×72

43.78×(-2/3)+(-11)×(-2/3)+(-34)×(-2/3)

44.-33×4.1

45.8-(-4)÷(-2) ×(-3)

46.(-3.6+2.7)平方× (-3)立方\u(-0.01)