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一次,老师问大家:“谁能在下面左边的六边形上只剪一刀,让剪出来的图形成为4个相等的直角三角形。”同学们剪来剪去,最多也只能将六边形剪成两个相等。的部分。这时老师拿出剪刀,对准图形横剪一刀,六边形立即变成了4个相等的直角三角形,如上右图。见此情形,同学们非常惊讶,都说老师有智慧。老师说:“要剪好这一刀,必须有创造性思维。”创造性思维打破常规思
Once, the teacher asks everyone: “Who can only cut a knife on the left of the hexagon below, so that the cut out of the figure into four equal right triangle. ” Students cut to cut, at most only six Cut the edges into two equal. part. At this moment, the teacher took out the scissors and pointed at the figure and cut it horizontally. The hexagon immediately became four equal right-angled triangles, as shown on the right. Seeing this situation, the students were very surprised, saying that the teacher was wise. The teacher said: “To cut this knife must have creative thinking. ” Creative thinking to break the conventional thinking