小贝是个鬼机灵,总能搞出点新奇玩意儿让同学们刮目相看。这不,进位制活动课刚结束,他又有备而来。只见他默不作声地走到黑板前,信手写下一道计算题的竖式(如下图),转身神秘兮兮地看着一下子被吸引的全班同学,说:“各位观众,我向大家宣布,不可思议的现象已经出现,就是这道……计算题。”他有意改变声调进行渲染。“我还以为是什么神秘的东西,原来是一道计算有误 Beckham is a ghost, always able to come up with some novelty stuff for students to admiration. This is not, just finished the activity class system, he prepared. I saw him silently walked to the blackboard, the letter wrote a calculation of the erection (see below), turned mysteriously looked at the class was suddenly attracted classmates, said: ”Ladies and gentlemen, I To everyone announced that the incredible phenomenon has emerged, is this road ... Calculation questions. “He intends to change the tone rendering. ”What I thought it was a mysterious thing, the original calculation is a mistake