Răspuns :
[72:(8×2-40÷5)+91]÷(7+3) =
[72:(16-8) + 91]: 10 =
[72 :8 + 91] : 10 =
[9 + 91] : 10 =
100 : 10 =
10
[72:(16-8) + 91]: 10 =
[72 :8 + 91] : 10 =
[9 + 91] : 10 =
100 : 10 =
10
[72:(8×2-40:5)+91]:(7+3)=
[72:(16-8)+91]:10=
(72:8+91):10=
(9+91):10=
100:10=10
[72:(16-8)+91]:10=
(72:8+91):10=
(9+91):10=
100:10=10