Question

DAU CORONA!!! URGENT VA ROG​

Answer 1

Răspuns:

$b) \: 7 \times \frac{8}{15} + 8 \times \frac{17}{20} \: = \frac{113}{15} + \frac{177}{20} = \frac{532}{60} + \frac{531}{60} = \frac{1063}{60}$

$c) \:11 \times \frac{7}{12} + 6 \times \frac{11}{18} = \frac{139}{12} + \frac{119}{18} = \frac{417}{36} + \frac{238}{36} = \frac{655}{36}$