Question

38) Calcule o quociente das divisões

Answer 1

Resposta:

Explicação passo-a-passo:

a) (-2/3) : (-10/21) = (-2/3) x (-21/10) = 42/30 = 7/5

b) (-7/5) : (+49/10) = (-7/5) x (+10/49) = - 2/7

c) (5/3) : (-3/5) = (5/3) x (-5/3) = - 25/9

d) (1/4 : 1/8) : 12/5 = (1/4 x 8/1) : 12/5 = 2/1 : 12/5 = 2/1 x 5/12 = 10/12 = 5/6