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2+2-2+2-2+2-2+2-2×7-3​

Răspuns :

2+2-2+2-2+2-2+2-2×7-3

2+2-2+2-2+2-2+2-14-3

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4 - 4 - 4 - 4 - 11

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0 - 0 - (-7)

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0 - (-7)

\ /

7