Объяснение:
m2-10mn+25n2/12m3n2:m-5n/6mn= m-5n/2m2n
1).] m2-10mn+25n2/12m3n2=(m-5n)2/12m3n2
2). (m-5n)2 /12m3n2: m-5n/6mn= (m-5n)2*6mn/12m3n2*m-5n= m-5n/2m2n
Объяснение:
m2-10mn+25n2/12m3n2:m-5n/6mn= m-5n/2m2n
1).] m2-10mn+25n2/12m3n2=(m-5n)2/12m3n2
2). (m-5n)2 /12m3n2: m-5n/6mn= (m-5n)2*6mn/12m3n2*m-5n= m-5n/2m2n