Question

Aflati numarul natural x,pentru care:a)293+x=300;b)5×<20

Answer 1

a)X=300-293
X=7
b)5x<20
X poate fi 1,2,3,4

Answer 2

293+x=300
x=300-293
x=7

5x<20
x<20:5
x<4
x∈{0,1,2,3}