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a) (+13) + (+7)+(-11) - (+20) + (-39); c) (-1) + (+3)+(-2) + (+4) + (+103 0. Bfhdjsjsjsjbdhdjdjsksjhdhdjdjajsjjshdhwjwjjshdjwjw​

Răspuns :

Răspuns:

a) 20 -11-20-39=9-20-39=-29-39=-68

c) 2+3-2+4+1030=5-2+4+1030=3+4+1030=1037