Răspuns :
[a+11+(3*10)]:2=172
(a+11+30):2=172
(a+41):2=172
(a+41)=172*2=344
a=344-41
a=303
(a+11+30):2=172
(a+41):2=172
(a+41)=172*2=344
a=344-41
a=303
Salut,
[( x + 11 ) + 3 × 10 ] ÷ 2 = 172
( x + 11 + 30 ) ÷ 2 = 172
( x + 41 ) ÷ 2 = 172 × 2
x = 344 - 41
x = 303
[tex]Eckram[/tex]
[( x + 11 ) + 3 × 10 ] ÷ 2 = 172
( x + 11 + 30 ) ÷ 2 = 172
( x + 41 ) ÷ 2 = 172 × 2
x = 344 - 41
x = 303
[tex]Eckram[/tex]