Question

2 5/11•2/3+2/3•3 15/22

Answer 1

Пошаговое объяснение:

2 5/11 · 2/3 + 2/3 · 3 15/22 = 4 1/11

1) 2 5/11 * 2/3 = 27/11 * 2/3 = 27*2/11*3 = 18/11 = 1 7/11

2) 2/3 · 3 15/22 = 2/3 * 81/22 = 2*81/3*22 = 27/11 = 2  5/11

3) 1 7/11 + 2 5/11 = 3 12/11 = 4 1/11