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100

-1+(-8)=

-9

100

5-8=

-3

100

4x3=

12

100

16÷2=

8

100

6+(-2)=

 4

200

-3+4=

1

200

15-(-4)=

19

200

5x-6=

-30

200

-35÷7=

-5

200

5x(-9)=

-45

300

2+(-5)=

-3

300

-21-(-3)=

-18

300

-3x-8=

24

300

28÷(-4)=

-7

300

-8-(-6)=

-2

400

-7+11=

4

400

-32-7=

-25

400

-6x9=

-54

400

-9÷(-3)=

3

400

24÷4=

6

500

-8+(-13)=

21

500

-60-5=

-65

500

2x-2=

-4

500

30÷(-2)=

-15

500

48+(-21)=

27