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77x(77x4-77:7-77)-77x7

Răspuns :

77x (308-11-77)-11=77x220-11=77x209=16093
1.77x4=308
2.77:7=11
3.308-11=297
4.297-77=220
5.77x220=16940
6.16940-77=16863
7.16863x7=118041