Автор - kohnol07
Ответ:
89/30x +13/42)*0,125=17/56
623+65/210x=688/210x=344/105x*0,125(125/1000) = 43/21x *25/125=1075/2625x=
1075/2625 *1/x=17/56
1/x=17/56:1075/2625
1/x=17/56 *2625/1075
1/x=. 17/8 *375/1075
1/x=