−(8,77−519)−(0,23−289)= 799
1.−(8,77−519)= -8,77+519= 510,23
2. −(0,23−289)= -0,23+289= 288,77
3. 510,23+288,77=799
−(8,77−519)−(0,23−289)= 799
1.−(8,77−519)= -8,77+519= 510,23
2. −(0,23−289)= -0,23+289= 288,77
3. 510,23+288,77=799