Question

438. найдите значение выражения 2) (-5 3/7+5 1/14) + (5/7+(-5/14))​

Answer 1

Пошаговое объяснение:

1) -5 3/7+5 1/14= -5 6/14+5 1/14=

= -5/14

2) 5/7+(-5/14)=5/7-5/14=10/14-5/14=

=5/14

3) -5/14+5/14=0

Answer 2

Ответ:

(-5 3/7+5 1/14) + (5/7+(-5/14))=

(-5 6/14 +5 1/14) + (10/14 +( -5/14)=

7/14+5/14= 12/14=6/7