来。一天,乘号和除号争吵起乘号对除号说“:我比你有用!”除号不甘示弱“:你小看人,我比你有用。”两人争得面红耳赤,不分上下。乘号说“:我们不吵了,咱们到大街上走一走,看看到底谁更有用。”在菜市场,他们听见一位老奶奶在问卖虾的人“:你们的虾多少钱一斤?”卖虾的人说:“14 Come. One day, the multiplication sign and the division sign quarrel multiplied by the number, said: “I am more useful than you!” Exclamation mark “: You underestimate people, I am more useful than you.” The two won fierce red, regardless of the upper and lower. Multiplication sign said: “We are not noisy, let’s walk to the street to see who is more useful in the end.” In the vegetable market, they heard a grandmother asked the people who sell shrimp: How much your shrimp a pound ? “The shrimp seller said:” 14