题目钟表中的时针与分针夹角会不停地变化,两点到五点之间时针与分针夹角成直角的时刻有几种情况?(A)3种(B)4种(C)5种(D)6种一探形象直观答案现转动钟表实物,我们会依次发现时针与分针成直角的瞬间,通过直观感知会立即知道本题的答案为5种.动手操作中感知和解决问题一直是我们熟悉并常用的方法,对于找到这个问题的答案,这无疑是最干脆利落的方式.但就这个问题而言,我们仍然会有疑虑 Question the hour and minute hands in the watch the angle between the ceaseless changes, between two o’clock to five o’clock hour and minute hand angle at right angles to the moment there are several situations? (A) 3 species (B) 4 species (C) 5 (D) 6 kinds of direct visual images of the moment Now turn the watch kind, we will find the hour hand and the minute hand at right angles to the moment, through the intuitive perception will immediately know the answer to this question is 5. Hands-on perception and problem-solving has been This is the most straightforward way to find the answer to this question, which we are familiar and commonly used, but we still have doubts about this issue