一张图画纸5角钱,有4张,一共花了多少元钱?,e(Q4O)u,E7I3{+K._7h8O;l
算式:提示4l0\:X,e(Q4O)u,E7I3{+K._7h8O;l
答:一共花了:L5^'M4U'g'd,B/Q2S3?(T7Y*J1]:h元钱。,e(Q4O)u,E7I3{+K._7h8O;l