Выражение 1)3/4х×2/3; 2)1,6у×5; 3)5/6х×3/5; 4)0,8у×10; - вопрос №58372121342321653563540810529346125 от mihajlova2011 24.11.2022 12:51

Question

Математика: Выражение 1)3/4х×2/3; 2)1,6у×5; 3)5/6х×3/5; 4)0,8у×10; 5)2/9х×3/4; 6)1,25у×4.

mihajlova2011 · Answer

1) 3/4х * 2/3 = (3/4 * 2/3)х = 1/2х2) 1,6у * 5 = (1,6 * 5)у = 8у3) 5/6х * 3/5 = (5/6 * 3/5)х = 1/2х4) 0,8у * 10 = (0,8 * 10)у = 8у5) 2/9х * 3/4 = (2/9 * 3/4)х = 1/6х6) 1,25у * 4 = (1,25 * 4)у = 5уПояснения:3/4 * 2/3 = (1*1)/(2*1) = 1/25/6 * 3/5 = (1*1)/(2*1) = 1/22/9 * 3/4 = (1*1)/(3*2) = 1/6...