小东买6本笔记本，付给营业员16元，找回1.6元．每本笔记本是多少元？（用方程解）
看谁算得快．========
计算．=+===﹣=== 1=
口算．．
．
我会算．++ 1﹣﹣++﹣﹣++ 1﹣﹣．
=
=
=
=
=
=
=
=
=
+
=
=
=
﹣
=
= 1
=
．
．
+
+
1﹣
﹣
+
+
﹣
﹣
+
+
﹣
．
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