4,8,12
101
Using only multiplication it is not possible.
Only if you subtract three.
(4*4)-(4/4)
4+4-4/4=7
It could be: 4+40+40 = 6
(44 - 4)/4 = 40/4 = 10
4 - (4+4) x 4
It could be: 4+4+4-40 = 11
4*4 - 4/4 = 16 - 1 = 15.
One possible solution is: 4.4 + 4 / .4 = 21
4 + 4 + (4/4).