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7×[10+(-3)×(+6)-(10)]+15​

Răspuns :

Salut! =)

7 × ( 10 -3 × 6 - 10 ) + 15

7 ( 10 - 18 - 10 ) + 15

7 ( 10 - 28 ) + 15

7 × ( - 18 ) + 15

-126 + 15 = - 111

Bafta! =)