multiplying integers
-3x3x3x3
-81
-50/10
5
5+-5
0
1-10
-9
-5x8x2
-80
150/10/5
3
-20+-3
-23
-18-20
-38
-15x-2x5
150
-180/-10
18
-62+-18
-80
-50-(-23)
-22
-5x3x-10
150
450/-25
-18
-150+123
-27
-132-(-53)
-79
-85x13
-1,105
-2525/5
-505
1123+-50
1073
1129-(-150
1279