Question

1,2m+30.9-2.1m+1.3 срочна

Answer 1

1,2m + 30,9 - 2,1m + 1,3 = (1,2m - 2,1m) + (30,9 + 1,3) = -0,9m + 32,2.

Ответ: (-0,9m) + 32,2.