Question

ПОЖАЛУЙСТА РЕШИТЕ ПРИМЕР 4 5/14+(5 1/12-3 4/21)=___УРАВНЕНИЕ 8 9/26-Z=5 7/39

Answer 1

1)4 5/14+(5 1/12-3 4/12)=61/14+(61/12-40/12)=61/14+21/12=732/168+294/168=

=1026/168=6 18/168=6 3/28

2)8 9/26-z=5 7/39

217/26-z=202/39

z=217/26-202/39

z=247/78=3 13/78=3 1/6