小红家有4棵柿子树，每棵树结了5个柿子，一共结了多少个柿子？9g+O'M:j8O(b+W8I(g;y5w*Z8`6['^
算式：提示;W.m)m-Z0w/R6Y*|'m8O*|3P3U'i-b.z;z+_9g+O'M:j8O(b+W8I(g;y5w*Z8`6['^
答：一共结了,P.J6B9B-t8A*W1F,Y8G9T*H6_,z个柿子。9g+O'M:j8O(b+W8I(g;y5w*Z8`6['^