Question

найдите значения выражения 7-5 1/4; 6-5 2/3; 12-9 3/8;11-6 2/3; 8-3 2/7; 5 6/13-2; 9 3/10-4; 2 3/14-1;

Answer 1

$7-5ttdisplaystylefrac{1}{4}=6frac{4}{4}-5frac{1}{4}=1frac{3}{4}=1,75$

$6-5ttdisplaystylefrac{2}{3}=5frac{3}{3}-5frac{2}{3}=frac{1}{3}$

$12-9ttdisplaystylefrac{3}{8}=11frac{8}{8}-9frac{3}{8}=2frac{5}{8}$

$11-6ttdisplaystylefrac{2}{3}=10frac{3}{3}-6frac{2}{3}=4frac{1}{3}$

$8-3ttdisplaystylefrac{2}{7}=7frac{7}{7}-3frac{2}{7}=4frac{5}{7}$

$5ttdisplaystylefrac{6}{13}-2=3frac{6}{13}$

$9ttdisplaystylefrac{3}{10}-4=5frac{3}{10}$

$2ttdisplaystylefrac{3}{14}-1=1frac{3}{14}$