Question

Вычислите
(-5/7)+(-2/7)

Answer 1

$(- frac{5}{7} )+(- frac{2}{7} )= -frac{7}{7} =-1$

Answer 2

$( - frac{5}{7} ) + ( - frac{2}{7} ) = - frac{5}{7} - frac{2}{7} = - 1$