Question

помогите решить !!!!! 1/13*(2 3/8 * 1 5/6 ) *2 2/5 +9/10

Answer 1

1)2 3/8 * 1 5/6=285/48
2)1/13*285/48=285/624
3)285/624*2 2/5=57/52
4)57/52+9/10=1 целая 259/260

Answer 2

cgc

Answer 3

спс