👤
Lavinuta11
a fost răspuns

b) {[(8×3-9)+3×7]×2+9}×3-(4+4×4)×4-50=

Răspuns :

Primăvară2017
b)
{[(8×3-9)+3×7]×2+9}×3-(4+4×4)×4-50=
{[(24-9)+21]×2+9}×3-(4+16)×4-50=
[(13+21)×2+9]×3-20×4-50=
(34×2+9)×3-80-50=
(68+9)×3-80-50=
77×3-80-50=
221-80-50=
141-50=
91


Alte intrebari