Question

Calculati produsul extremilor din urmatoarele propozitii
a) x supra 0,(6) = 21 supra y
b) x supra 42 = 1,(3) supra y
c) x supra 0,8(3) = 30 supra y
d) x supra 24 = 1,1(6) supra y
Dau coroana ajutor!▪︎

Answer 1

Răspuns:

a)x*y=0,(6)*21=6/9*21=2/3*21=42/3=14

b)x*y=42*1,(3)=42*(13-1)/9=42*12/9=42*4/3=168/3=56

c)x*y=0,8(3)*30=(83-8)/90*30=75/90*30=5/6*30=150/6=25

d)x*y=24*1,1(6)=24*(116-11)/90=24*105/90=24*7/6=168/6=28