Помогите : 7/12+12/24+18/37=
1 247/888
= (7*47+12*37+18*24)/888=(518+444+432)/888=1394/888≈1,57
7/12 + 12/24 + 18/37 = 14/24 + 12/24 + 18/37 = 26/24 + 18/37 = 13/12 + 18/37 = 1 ( 1/12 ) + 18/37 = 1 ( 37/444 ) + 216/444 = 1 ( 253/444 )