Bring the monomials to the standard form and choose those with the same variable factors.
 
1)0.7m3n212m4n132)4m123n3)13m72n154)12mn4n35)3m130.7mn7
 
Monomials in the standard form:
1)imini2)imin3)imini4)imni5)imini 
 
Write down the numbers in an ascending order: the monomials with numbers  and  have the same variable factors.