Question

Упростите выражения:
-5m(-4n)8k;
9/16a(-1-1 1/3)*3/7;
3.8x(-0.35y)*(-4.3);
-19.2x(-5/8y)*5/6

Answer 1

1) =160mnk
2) =-9/16a
3) =5,719xy
4) =4xy