adding rational numbers
3 + 4
7
9 - 7
2
6 x 4
24
10 / 2
5
2 + 2 (8 - 5)
8
-8 + -7
-15
-19 - (-8)
-1
-9 x -7
63
-15 / -3
5
4 x 5 + (9 x 1)
29
-17 + 9
-8
23 - (-9)
32
10 x -11
-110
-12
3(2^3 + 4^2)
72
3.6 + -18.3
-14.7
4.5 - (-7.8)
12.3
-9 x 17
-153
-91 / 7
-13
1/2 + (3+8) ^2
121.5
22.1 + -25.6
-3.5
-19.8 - 8
-27.8
-4 x 18
-72
-320 / 16
-20
10 x (-10 + 15) ^4
6250