题目内容
计算:
1.(1)(6分)
;
2.(2)(6分)
.
1.(1)原
=
-
=![]()
2.(2)(本题6分)
解:原式=
······················· 2分
=
························· 4分
······························· 5分
.
解析:略
练习册系列答案
相关题目
题目内容
计算:
1.(1)(6分)
;
2.(2)(6分)
.
1.(1)原
=
-
=![]()
2.(2)(本题6分)
解:原式=
······················· 2分
=
························· 4分
······························· 5分
.
解析:略