Question

Determine o valor da expressão (-3/7) * (2,1) - (5/9) * (-3/2):
-5/6
-27/30
-9/10
-1/15
Gente pfvvvvv me respondem

Answer 1

-3/7 × 21/10 - 5/9 × (-3/2).

-3/1 × 3/10 - 5/3 × (-1/2).

-9/10 - (-5/6).

-9/10 + 5/6.

-27/30 + 25/30 = -2/30 = -1/15.