Question

решите 4+(-5 3/8)
2/5-1
1-4/7
/ это дробь

Answer 1

$1) 4+(-5 frac{3}{8} )= frac{4}{1} - frac{43}{8} = frac{32-43}{8}= - frac{11}{8}=-1 frac{3}{8} \ \ 2) frac{2}{5}-1= frac{2-5}{5}=- frac{3}{5} \ \ 3) 1- frac{4}{7}= frac{7-4}{7} = frac{3}{7}$