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