Răspuns :
x-numărul
x+x/2+x/4=63
(4x+2x+x)/4=63
4x+2x+x=63×4
4x+2x+x=252
7x=252
x=252:7=36
2x=2×36=72
x+x/2+x/4=63
(4x+2x+x)/4=63
4x+2x+x=63×4
4x+2x+x=252
7x=252
x=252:7=36
2x=2×36=72