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9 450-[ (9×9+6×7) – (56 :8+7×7)] ×8-4 325

Răspuns :

9450-[(81+42)-(7+49)]x8-4.325=
9.450-[123-56]x8-4.325=
9.450-67x8-4.325=
9.450-536-4.325=
8.914-4.325=
   4.589