Вычислите: (6,8-5 5/9): (2 13/30-2 1/12)×3, - вопрос №6835819685592133021123 от mig4 10.09.2020 05:15

Question

Математика: Вычислите: (6,8-5 5/9): (2 13/30-2 1/12)×3,

mig4 · Answer

(6,8-5 5/9):(2 13/30-2 1/12)×36/10=
(6 8/10-5 5/9):(2 13/30-2 1/12)× 36/10=
(68/10-50/9):(73/30-25/12)×3,6=
(612/90-500/90):(146/60-125/60)× 36/10=
112/90: 21/60×36/10=
112/90×60/21×36/10=
241920/18900=12,8