1
5+ 5+ 5+ 5+ 5+ 5+ 5+ 5+5 +5 +5 +5 +5 +5 +5 + 5 + 5 :17
30
9
68
3-3
500000
50
500000+1-1
4
0
2+2
3x3
100-50
1+2+3+4+5+6+7+8+9 +10:5:11
68x68:68
50 -100
-50
5
30 -30+30-30+30-30 +30
