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2+(100:10-18:9-36:6)×(35:5-49:7+36:4)=

Răspuns :

2+(10-2-6)×(7-7+9)=
2+2×9=20
2+(10-2-6)×(7-7+9)=
2+(8-6)×(0+9)=
2+2×9=
2+18=20