Question

Выполните действия: 1) (7 3/20 - 5 1/12) * 1,5
------------------------------ =
6 3/7 * 1,4 : 1,8

Answer 1

1) 21/20-5/12=63-25/60 =38/60
38/60×15/10=19/4×1/5=19/20
2)6 3/7×14/10×10/18=3 2/5×10/3 =3 1/5×10/3
3)19/20/3 2/3-19/20×2 =19/40