Question

efectuati 5 supra 4 +7 supra 4 +1
determinati numarul x stiind ca x+1 supra 12 = 5 supra 3

Answer 1

5/4+7/4=11/4
x+1/12=5/3⇒12×5=3(x+1)⇒60=3x+3⇒60-3=3x⇒57=3x⇒x=57/3⇒x=19
succes

Answer 2

$\frac{5}{4+7} * \frac{1}{4+1}= \frac{5}{11} * \frac{1}{5} = \frac{1}{y11}$5 supra lui (4+7) supra lui (4+1) este egal cu