Respostas
Resposta:
Explicação passo a passo:
A) C)
(1,4 - √49).(0,2+1,5) 2,4.(-3/2² -1/2)
(1,4-7).(1,7) 2,4(-3/4 - 1/2)
(-5,6).(1,7) 24/10(-5/4)
-9,52 -120/40 = -4/1
B) D)
(-√1/9 + 2/5).(-6/7) 3/5+(-1/6).(√0,16)
(-1/3 + 2/5).(-6/7) 3/5+(-1/6).(0,4)
(1/15).(-6/7) 3/5+(-1/6).(4/10)
-2/35 3/5+(4/60)
32/60 = 8/15