Question

2,1х × (-5)=


-4,5×(-3а)=

Answer 1

1)=-10,5х
2)=13,5а......

Answer 2

-2,5×1,2×(-4b) =

Answer 3

10b

Answer 4

2.1х ×(-5)= -10.5х
-4.5×(-3а)=13,5а