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45x3+65X4=
38x5+83x5=
65x4-53x4=
72x8-82x3=


Răspuns :

135+260=395
190+415=605
260-212=48
567-246=321
45×3+65×4=
135+260=395
38×5+83×5=
190+415=605
65×4-53×4=
260-212=48
72×8-82×3=
576-246=330