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1. 56×3-(36÷9+13)=
2. 256-88÷(2×3+5)=
3. 457-357÷(2+3×5)=
4. 345÷20+369÷123=
5. (2003×5-10×11×84)÷25=
6. (370-130+40)÷70+38=


Va rog pana la ora 12:00 luni 2 noiembrie! 30 puncte!​