Question

Cum se face ex.
S=(13+27)+73+ 87+21+(79+34)+66=
Va rog

Answer 1

S = 40 + 160 + 21 + 79 + 34 + 66 = 200 + 100 + 100 = 400

Answer 2

S=(13+27)+73+87+21+(79+34)+66=
S=40+73+87+21+113+66=
S=113+87+21+113+66
S=200+21+113+66=
S=221+113+66=
S=334+66=
S=400
Sper ca te-am ajutat !!