12/22÷6/44=36/51÷x Решение:
36/51÷x=12/22÷6/44
12/22÷6/44=6/11×22/3=132/33=4/1×33/33=4/1
4/1=4
36/51÷x=4
x=36/51÷4
36/51÷4=12/17×1/4=12/68=3/17×4/4=3/17
x=3/17 или ~0,18

fdsufsycdst    2   16.12.2020 18:08    6