15 x ( 3 +6 ) = (15 x 3) + (15 x 6)=
3 x ( 6 + 4) = (3 x 6) + (3 x 4) =
5 x ( 6 + 5) = ( 5 x 6) + ( 5 x 5)
9 x ( 4 + 12 ) = (9 x 4) + (9 x 12)
12 x ( 5 + 7) = (12 x 5) + (12 x 7)
7 x ( 8 + 6 ) = (7 x 8) + (7 x 6)
10 x ( 140 + 10) = (10 x 140) + (10 x 10)=
6 x ( 3 x 2) = ( 6 x 3) + (6 x 2) =
10 x ( 10 + 12) = (10 x 10) + (10 x 12)=
5 x (10 + 140) = (5 x 10) + (5 x 140) =
144
750
135
55
30
98
144
36
220
1500