Question

1. Simplify:
(1) (-30) + 35
(3) (-20) + (-10)
(2) 40 + (-15)
(4) 0 + (-20)
(5) (-20)-(-10)
(6) 40-(-30)
(8) (-40) + (-40)
(7) (50)-(-50)
(9) 0-(-30)​

Answer 1

Answer:

-30+35= +5

-20-10= -30

40-15= 25

0-20= -20

-20+10= -10

Answer 2

Answer:

1) 5

2) -30

3) 25

4) -20

5) -10

6) 70

7) 100

8) 30

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