﹣|﹣3|﹣0.01;﹣ ﹣ .
+14,﹣13,+7,﹣9,﹣8,+11,﹣4,﹣4,+13,+4
=1﹣ , = ﹣ , = ﹣
将以上三个等式两边分别相加得: + + =1﹣ + ﹣ + ﹣ =1﹣ =