6x * (-10y) = 2,7nm * (2 1/9 t) = -3,4a * (80b) = 7 1/12c * 1 5/7d = -1,1 (50a - c) = ...

Question

6x * (-10y) =
2,7nm * (2 1/9 t) =
-3,4a * (80b) =
7 1/12c * 1 5/7d =
-1,1 (50a - c) =
( 23,5x - 1/6y) * (-6) =

Answer 1

1)-60xy

3)-272ab

5)-55a+1,1c
6)-141x+y