商店有4筐苹果，每筐55千克，已经卖出135千克，还剩多少千克？3b)W-D)N,t'g7i1P:D3J)B6T
算式：提示)h(o*M-V6g7B3b)W-D)N,t'g7i1P:D3J)B6T
答：还剩(M7J9t8R+A:P(N1L'y+`9~千克。3b)W-D)N,t'g7i1P:D3J)B6T