(11 - 11*11/36 ) + (25 - 25*11/36)
= 11*(1 - 11/36) + 25*(1 - 11/36)
= (1- 11/36) * (11+25)
=(1 - 11/36)*36
= 36 - 11
=25
(5/6 + 4/5)*5*6
= 5*5 + 4*6
= 25+24
=49