Multiplication
27 x 3
81
48 / 3
16
2.57 + 3.23
5.8
3.7 - 2.1
1.6
Factors of 7
1, 7
245 x 4
1,225
448 / 7
64
4.25 + 13.7
17.95
31.52 - 3.6
27.92
Factors of 12
1, 2, 3, 4, 6, 12
36 x 42
1,512
3,264 / 32
102
27.56 + 5.22
32.78
82.3 - 17.62
64.68
Factors of 21
1, 3, 7, 21
512 x 37
18,944
2,781 / 27
103
33.691 + 2.845
36.536
245.66 - 231.73
13.93
Factors of 100
1, 2, 4, 5, 10, 20, 25, 50, 100