Explicação passo-a-passo:
SALDO POSITIVO ou CREDOR >>>>>>>>+ 700
saque >>>>>>>>>>>>>>>>>>>>>>- 300
saque>>>>>>>>>>>>>>>>>>>>>> - 300
Saque >>>>>>>>>>>>>>>>>>>>> - 300
Total saques >>>>>>>>>>>>>>>>>>>>>>>>>>>- 900
SALDO >>>>>>>>>>>DEVEDOR >>>>>>>>>>>> - 200 >>>>
resposta
Calculo
SAQUES
( - 300 - 300 - 300 ) = - 900 ( SINAIS IGUAIS SOMA CONSERVA SINAL)
+700 - 900 = - 200 ( SINAIS DIFERENTES DIMINUI, SINAL DO MAIOR )
