Решите уравнение : (29/42 - a) - 13/42 = 11/42 - вопрос №23309712942134211421517317617 от nastylamyr2999 30.01.2020 08:58

Question

Математика: Решите уравнение : (29/42 - a) - 13/42 = 11/42 15/17 - ( b - 3/17) =6/17

nastylamyr2999 · Answer

(29/42 - a) - 13/42 = 11/42 29/42-a=11/42+13/4229/42-a=24/42a=29/42-24/42a=5/4215/17 - ( b - 3/17) =6/17b-3/17=15/17-6/17b-3/17=9/17b=3/17+9/17b=12/17...