建筑工地盖了6排房子,每排7间,一共盖了多少间房子?+P,s0y2n3v9\4Y7~:P7_3}.@:_
算式:提示,p3?0n,p9h2i+E6O1b7L4r6a2[0@+P,s0y2n3v9\4Y7~:P7_3}.@:_
答;一共盖了,k/T.x;i*?2K/s间房子。+P,s0y2n3v9\4Y7~:P7_3}.@:_