Do Practice:
3* 7= 8* 3 = 9 *3 = 7* 5= 7* 15=
6 * 5 = 11*6= 9 *2 = 6 * 3= 11 * 11=
3 *8 = 9 *13= 2 *7= 7 * 4 = 7 * 12 =
4 *3= 3* 11 = 13*12= 7 * 3 = 4 * 8 =
5 * 9= 12 *13= 9 * 6= 8 * 8 = 15 *13 =
6 * 2 = 4 * 6= 14 * 6= 7 * 8 = 8 * 11=
7 * 8 = 5 * 3= 15 * 13 = 5 * 2= 6 * 7 =
8 *13= 3 * 9= 8 * 13 = 4 * 6 = 9 *15 =
9 * 6= 7 * 4 = 5 * 8 = 8 * 4 = 12 * 9=
10 * 2= 7 * 6= 3 * 7= 13 * 5= 14 * 3=
11 * 7= 12 *12= 4 * 6= 15 * 3 = 11 * 3=
12 * 2= 12 *11= 7 * 9= 8 *9 = 6 * 3 =