Question

ajutați vă rog dau inima şi o stea​

Answer 1

Răspuns:

A) 6,75 = 675/100

4,5=45/10

1 2/3 = 5/3

1 1/3 = 4/3

(675/100-45/10*5/3)(-4/3)=(27/4-45/15)(-4/3)=(27/4-3)(-4/3)=-25/4*4/3=-25/3

B) 1 13/32=45/32

(-18/20)^2(-45/32) = -81/100*45/32=-3645/3200=-729/640

Explicație pas cu pas: