1) -2,4*4x= 2)-0,6y*(-0,9)= 3)-8a*2,5b= 4)-5x*(-0,8y)*0,4= 5)9\28a*7/18*(-b)= 6)2...

Question

1) -2,4*4x=
2)-0,6y*(-0,9)=
3)-8a*2,5b=
4)-5x*(-0,8y)*0,4=
5)9\28a*7/18*(-b)=
6)2 5/8x*(-16/63y)=

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Answer 1

1) -2,4*4x=- 9,6х
2)-0,6y*(-0,9)=0,54у
3)-8a*2,5b= -20ab
4)-5x*(-0,8y)*0,4=1,6ху
5)9\28a*7/18*(-b)=-1/8ab
6)2 5/8x*(-16/63y)=21/8x*(-16/63у)=-2/3ху