Question

ВЫЧИСЛИТЕ $3\frac{9}{10} -(2-1\frac{11}{35} ):\frac{9}{49} +\frac{1}{2}$

Answer 1

Ответ:

Пошаговое объяснение:

1) 2 - 1. 11/35 = 1. 35/35 - 1. 11/35 = 24/35

2) 24/35 : 9/49 = 24/35 * 49/9 =

8/5 * 7/3 = 56/15 = 3. 11/15

3) 3. 9/10 - 3. 11/15 = 3. 27/30 - 3. 22/30 = 5/30 = 1/6

4) 1/6 + 1/2 = 1/6 + 3/6 = 4/6 = 2/3