200
-18 - 12
What is -30?
300
-18 + -21
What is -39
300
-14 - (-7)
What is -7
300
-225 ÷ -15
What is 15
400
-11 x -12
What is 132
400
1800 ÷ -60
What is -30
400
-18 - (-33)
What is 15
500
-75 + 44
What is -31?
500
-125 - 61
What is -186
500
-1200 ÷ -10
What is 120