Решить: 3/25*5/6*10/9=? , 8*9/16-*7/12=? , 3/8*2/15: - вопрос №78661383255610989167123821572049891017 от yuliabler 04.11.2021 01:00

Question

Математика: Решить: 3/25*5/6*10/9=? , 8*9/16-*7/12=? , 3/8*2/15: 7/20=? , 4/9: 8/9*10/17=?

yuliabler · Answer

1) 3/25 * 5/6 * 10/9 = (3*5*2*5)/(5*5*2*3*9) = 1/92) 8 * 9/16 * 7/12 = (8*3*3*7)/(2*8*3*4) = 21/83) 3/8 * 2/15 : 7/20 = (3*2*20)/(8*15*7) = 1/74) 4/9 : 8/9 * 10/17 = (4*9*10)/(9*8*17) = 5/17...