5+10+15+20+25=
75
6:3=
2
9x4=
36
3x9=
27
4+5=
9
20x5=
100
8x5=
40
4x11=
44
3/6+5/6=
8/6
6x3=
18
5-1=
4
5+5=
10
100-100=
0
1+1=
2
6x6=
36
77-18=
59