Răspuns:
a) 100-1758:2+ (15 031 + 35 999): 15 - 362-25=
100-1758:2+51030:15-362-25=
100-879+3 402-362-25=
-789+3402-362-25=
2613-362-25=2251-25=2226
b)[(11 352: 6+18): 10 + 19]:30=
[(1892+18): 10 + 19]:30=
(1910:10+19):30=
(191+19):30=210:30=7
Explicație pas cu pas: