Пошаговое объяснение:
25/84х
5/14x-9/28x+11/42x = (5/14-9/28+11/42)x = (5*2/14*2-9/28+11/42)x=
=(10/28-9/28+11/42)x =(1/28+11/42)x = (1*3/28*3+11*2/42*2)x = (3/84+22/84)x =
=25/84х
Пошаговое объяснение:
25/84х
Пошаговое объяснение:
5/14x-9/28x+11/42x = (5/14-9/28+11/42)x = (5*2/14*2-9/28+11/42)x=
=(10/28-9/28+11/42)x =(1/28+11/42)x = (1*3/28*3+11*2/42*2)x = (3/84+22/84)x =
=25/84х