$12 \frac{5}{9}-7 \times \frac{1}{6}$ $7 \times \frac{1}{4}- 3 \times \frac{7}{15}$ $9 \times \frac{5}{12}- 6 \times \frac{2}{7}$ көмек

Question

нина

5 год назад

ОТВЕТЫ

Petya

Nov 30, 2020

12 5/9 - 7 * 1/6 = 12 5/9 - 7/6 = 12 10/18 - 21/18 =

12 10/18 - 1 3/18 = 11 7/18

7*1/4 - 3*7/15 = 7/4 - 21/15 = 105/60 - 84/60 = 21/60 = 7/20

9*5/12 - 6*2/7 = 45/12 - 12/7 = 315/84 - 144/84 = 171/84 = 2 3/84 = 2 1/28

467

көмек​