Question

1) 4/9×1.2/7
2) 1.13/14×2.1/3

Answer 1

Ответ:

Пошаговое объяснение:

1) 4/9×1.2/7 = 4/9 * (1*7+2)/7 = 4/9 * 9/7 = 4/7.

2) 1.13/14×2.1/3 = (1*14+13)/14 * (2*3+1)/3 = 27/14 * 7/3 = 9/2=4,5.