Ответ:

(3m+2)/5m - (n-1)/2n - (5m+3n)/10mn = (m+1)/10m

2n(3m+2)/10mn - 5m(n-1)/10mn - (5m+3n)/10mn = n(m+1)/10mn

(6mn+4n)/10mn - (5mn-5m)/10mn - (5m+3n)/10mn = (mn+n)/10mn

(6mn+4n - 5mn+5m - 5m-3n)/10mn = (mn+n)/10mn

(mn+n)/10mn = (mn+n)/10mn

Объяснение: