27+ 45 =3*9+5*9
42 - 24 - 18=6*7-3*8-2*9
49 - 32 =7*7-4*8
6 + 36 + 48=2*3+4*9+6*8
27+45=9*3+9*5
49-35=7*7-7*5
42-24-18 = 6*7-6*4-6*3
6+36+48 = 6*1+6*6+6*8
27+ 45 =3*9+5*9
42 - 24 - 18=6*7-3*8-2*9
49 - 32 =7*7-4*8
6 + 36 + 48=2*3+4*9+6*8
27+45=9*3+9*5
49-35=7*7-7*5
42-24-18 = 6*7-6*4-6*3
6+36+48 = 6*1+6*6+6*8