danielmartinez62 danielmartinez62 02-03-2022 Matemáticas contestada a)3×y-4×y= b)6×y-7×y= c)-2ab-(-ab)= d)10mn(-5mn)= e)-6pq-3pq= f)-12pq-(-5ab)= g)-12pq-9pq= h)12×yz-c-3×yz=
