-2,3х*4=-9,2х
9у*(-3)=-27у
5,2х*(-2)=-10,4х
3/2у*6=2у*2=4у
-4,1х*(-5)=20,5х
-3/5у*15=-3у*3=-9у
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-2,3х*4=-9,2х
9у*(-3)=-27у
5,2х*(-2)=-10,4х
3/2у*6=2у*2=4у
-4,1х*(-5)=20,5х
-3/5у*15=-3у*3=-9у