Express the situation with an integer: The airplane reaches at 10,000 feet
+10,000
Express the situation with an integer: The submarine sinks 6,578 meters.
-6,578
Order the numbers least to greatest: 76, 5, -2, 0, 7
-2, 0, 5, 7, 76
Order the numbers least to greatest: 4, 3, -11, -1, 9
-11, -1, 3, 4, 9
Fill in the missing number: (op(op(X))=+4
+4
Fill in the missing number: -4+(op(op(op(X)))=7
-11
Solve: -9-(-5)+4
0
Solve: (-9)x3x3
-81
Solve: (-2)-4x3-12:(-6)
-12
Solve: (-49)-20:(-1)-6x(-3)
-11
Solve: |4-Op(+9)|
13
Solve: 6+|-9+Op(-9)|
6
