Решите уравнение: 1) x+ 2 7/16=5 3/16; 2) 4 5/14- - вопрос №70153171271653162451473142914 от Daniilkan 09.05.2020 23:55

Question

Математика: Решите уравнение: 1) x+ 2 7/16=5 3/16; 2) 4 5/14- (x-7 3/14)=2 9/14.

Daniilkan · Answer

1) x + 7/8 = 15/16 x = 15/16 - 7/8 x = 15-14/16 x = 1/162) 2 × 5/7 × (x - 3/2) = 9/7 10/7 - x + 3/2 = 9/7 20+21/14 - x = 9/7 41/14 - x = 9/7 -x = 9/7 - 42/14 -x = 18-41/14 -x = -23/14 x = 23/14...