Question

Determinati numerele naturale x care sunt solutii ale ecuatiilor :
A)x+1,25<6,25

Answer 1

x < 6,25 - 1,25 
x < 5 
x ∈ { 0 , 1 , 2 ,3 , 4 }

Answer 2

x<6,25-1,25
x<5
x∈{0,1,2,3,4}