СРОЧНО!! ДАЮ 15 БАЛЛОВ!! 2 1/8-(5 1/3-х)=1 1/4
Ответ:
2 1/8 - (5 1/3 - x) =1 1/4
17/8 - (16/3 - x) =5/4
17/8 - 16/3 +x = 5/4
3*(17/8) - 8*(16/3)+x =5/4
(51-128)/24 +x = 5/4
-77/24 + x = 5/4
x = 5/4 + 77/24
x =8*(5/4) + 77/24
x = (40+77)/24
x = 107/24