-7+3
-4
8-(-5)
-13
-7 x 6
-42
-5 x -2
10
267 x 36
9612
348÷5
69.6
0.84÷0.014
60
-72÷8 x 2
-18
-2/7 x 5/8
-5/28
-3/7 x -8/9
24/63
7÷0
undefined
0÷34
0
-1 3/42
-49/16 or -3 1/16
-2/6÷4/9
-3/4
2/3 x -14
-9 1/3