add
100+150
250
3x4
12
0.07 + 0.7
0.77
4/2+4/2
4/4
55-23
32
123+123
246
5x5
25
0.5 - 0.05
5/1+5/3
5/4
154-54
100
555+555
1110
10x150
1500
0.4 + 0.40
0.8
6/3+6/3
6/6
345-24
321
560+444
1004
10x100
1000
0.00
10/3+10/5
10/8
1567-1500
67
1234+1700
2934
5x1500
7500
0.5 + 0.50
1.00
7/2+7/3
7/5
1567-335
1232