100
100 and 250
What is 500
200
-20 + (-5) - (-30)
What is 5
200
200 and 150
What is 600
200
100 and 125
What is 25
300
88 - (-12)
What is 100
300
7542 / 2
What is 3771
300
300 and 75
What is 75
400
99 - (66) - (-67)
What is 100
400
555 and 100
What is 10
500
85 + (16)
What is 101
500
25 and 30
What is 150