妈妈买了9个苹果，明明吃了2个，给妹妹3个，还剩几个？1Y;C/Y8]+J1C/u.f2^9s;`6T4k4k
算式：提示7U9w:w(Z5g*w1Y;C/Y8]+J1C/u.f2^9s;`6T4k4k
答：还剩9@6Z(e1A,K1p+L*q3\/O.G5e个。1Y;C/Y8]+J1C/u.f2^9s;`6T4k4k