1st grade
3+9
12
3x5
15
6x12
72
108 / 12
9
432x10
4320
4+13
17
5x9
45
8x12
96
72 / 6
12
0.1x 1/10
0.01
52+9
61
3x19
47
4x12
48
9x20
180
0.9 x 100
90
34+155
189
34+1056
1090
5x9
45
36 / 6
6
54 x 1/100
0.54
322+13
335
4x5
20
5x10
50
4 / 4
1
0.3 x 10000000000
30 billion