0
Wiki User
3*7 = 21
21 and 5
3 and 7
21
10.5 x 2=21
63 & 5 21 & 15 9 & 35
21 and 7
21 x 3
79
-43
It can't be done with whole numbers....but if you want decimals....these two will work 3.7731879764631448414184572689148 17.226812023536855158581542731085
129