13,48-10,7+5,328-6,726
149,04: 23
12: 536
5,6-8,42-4,725+1,48
2,58: 15
2,37-1,26+0,8-0,35
2,50-1,25.(1,75-0.20)
6,48
0,5625
0,172
1,382
1,56
0,022
-6,065
