Question

Срочно пожалуйста помогите дам макс.колво балов​

Answer 1

$1) \frac{6*14}{7*30} = \frac{6*2}{30} = \frac{2}{5}$

$2) \frac{22*10}{15*33} = \frac{2*2}{3*3} = \frac{4}{9}$

$3) \frac{9*2*3}{8*18*21} = \frac{1}{4*2*7} = \frac{1}{56}$

$4) \frac{8*7+8*3}{16*25-16*5} = \frac{56+24}{400-80} = \frac{80}{320} = \frac{1}{4}$