Пошаговое объяснение:
(9 9/11 + x) - 2 5/11 = 9 8/11
Х=9 8/11+2 5/11-9 9/11
Х=2 4/11
Р=1/5+1 5/6+2 7/10=6/30+1 25/30+2 21/30=4 11/15 см
(7 - 2/3) + (1 3/4 - 1/6) + (1 1/5 + 1 2/3) =10 47/60
7-2/3=6 1/3
1 3/4-1/6=1 9/12-2/12=1 7/12
1 1/5+1 2/3=1 3/15+1 10/15=2 13/15
6 1/3+1 7/12=6 4/12+1 7/12=7 11/12
7 11/12+2 13/15=7 55/60+2 52/60=10 47/60
Пошаговое объяснение:
(9 9/11 + x) - 2 5/11 = 9 8/11
Х=9 8/11+2 5/11-9 9/11
Х=2 4/11
Р=1/5+1 5/6+2 7/10=6/30+1 25/30+2 21/30=4 11/15 см
(7 - 2/3) + (1 3/4 - 1/6) + (1 1/5 + 1 2/3) =10 47/60
7-2/3=6 1/3
1 3/4-1/6=1 9/12-2/12=1 7/12
1 1/5+1 2/3=1 3/15+1 10/15=2 13/15
6 1/3+1 7/12=6 4/12+1 7/12=7 11/12
7 11/12+2 13/15=7 55/60+2 52/60=10 47/60