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50+48x2+[63+4x(20+12-13)]-{[(36-26)x2+4]x8-7x9}

Răspuns :

Sper sa te ajute! Succes!
Vezi imaginea RALUK81
50+96+(63+4×19)-[(10×2+4]×8-63] =50+96+(63+76)-[(20+4)×8-63]=50+96+139-(24×8-63)=50+96+139-(192-63)=50+96+139-129=156