2,136:(1,9-х)= 7,12
1.9-x=2.136/7.12
1.9-x=0.3
-x=0.3-1.9
-x=-1.6
x=1.6
проверка:
2.136/(1.9-1.6)=7.12
2.136/0.3=7.12
7.12/7.12
ответ:1,6.
2,136:(1,9-х)= 7,12
1.9-x=2.136/7.12
1.9-x=0.3
-x=0.3-1.9
-x=-1.6
x=1.6
проверка:
2.136/(1.9-1.6)=7.12
2.136/0.3=7.12
7.12/7.12
ответ:1,6.