Addition
10+10
20
25-12
13
3+2(2)
7
3x6
18
12/2
6
-19+7
-12
-17-3
-20
(2)7+12-6
20
-12x5
-60
5/-2
-2.5
-64+35
-29
12-(-46)
58
(-5)+4-2(9)
-19
-7x0x4,000
0
76/8
9.5
-90+27
-63
-71-0-56
-127
8/9+-5(4)
-19.1...
8x6x41
1,968
13/9
1.444...
-78+2+-64+12
-128
-12-90-12-45
-159
(-78)-12+23-89
-156
78x-78
-6,084
790/12
65.833...