商店里有15筐苹果,10筐梨。香蕉的筐数比苹果和梨的总数少4筐,有香蕉多少筐?'K2m4^1}
算式:提示+e4z5H4g1r4e)v:V-f3I)E3Y'p'K2m4^1}
答:有香蕉2]4u9t(M4^0t(P*i2}*P2|0u-n筐。'K2m4^1}