(X-3/8x) * 2 4/5 - 1 3/14 = 2 2/7 - вопрос №13586161382451314227 от Redycter12 24.12.2020 08:17

Question

Математика: (X-3/8￼x) * 2 4/5 - 1 3/14 = 2 2/7

Redycter12 · Answer

5/8x * 2 4/5 - 1 3/14 = 2 2/7 5/8x * 14/5 - 17/14 = 16/7 1/8x * 14 - 17/14 = 16/7 1/4x * 7 - 17/14 = 16/77/4x - 17/14 = 16/7 | * 2849x - 34 = 6449x = 64 + 3449x = 98x = 98 : 49x = 2...

(X-3/8￼x) * 2 4/5 - 1 3/14 = 2 2/7

(X-3/8x) * 2 4/5 - 1 3/14 = 2 2/7