1+1
2
1-1
0
1_3
0.3333
1x1
1
5+5
10
3-2
2_8
0.25
2x3
6
25+25
50
4-2
14_26
0.5385
4x9
36
100+452
552
164-34
130
34_26
1.3077
468
2,964+8,346
11,310
10,946-8,224
1,922
126_248
0.4417
124x567
70,308