你们猜[SMILING FACE WITH OPEN MOUTH AND SMILING EYES]向爸爸借了500，[SMILING FACE WITH OPEN MOUTH] 向妈妈借了500，[SMILING FACE WITH HEART-SHAPED EYES] 买了双皮鞋用了970。[RELIEVED FACE] 剩下30元，[UNAMUSED FACE] 还爸爸10块，[SMIRKING FACE] 还妈妈10块， [FACE THROWING A KISS]自己剩下了10块，[FACE WITH COLD SWEAT] 欠爸爸490，[PENSIVE FACE] 欠妈妈490， [DISAPPOINTED FACE]490＋490=980。 [DISAPPOINTED BUT RELIEVED FACE]加上自己的10块=990。[FACE WITH OPEN MOUTH AND COLD SWEAT] 还有10块去哪里了呢？