Question

Пжпжпжпжпжпжпжпжпжпж срочно

Answer 1

Пошаговое объяснение:

а) 25/42 * 5 1/25 = 25/42 * 126/25 = 42/126 = 1/3

б) 21/25 * 3 4/7 = 21/25 * 25/7 = 3

в) 1 1/11 * 3 2/3 = 12/11 * 11/3 = 4

г) 3 1/3 * 13/20 = 10/3 * 13/20 = 13/6 = 2 1/6

Answer 2

Пошаговое объяснение:

№8

а) 25/42 * 5 1/25 = 25/42 * 126/25 = 126/42 = 3

б) 21/25 * 3 4/7 = 21/25 * 25/7 = 21/7 = 3

с) 1 1/11 * 3 2/3 = 12/11 * 11/3 = 12/3 = 4

д) 3 1/3 * 13/20 = 10/3 * 13/20 = 1/3 * 13/2 = 13/6 = 2 1/6