Question

Daca a supra 2 egal cu b supra 5 calculeaza
a) a supra b
b) a +2 supra b+5​

Answer 1

a/2=b/5

5a=2b

2,5a=b

a/b=a/2,5a=1/1,25=4/5=0.8

a+2/b+5=a+2/2,5a+5=1*(a+2)/[2,5*(a+2)]=1/2.5=2/5=0.4