0  417115  417123  417129  417133  417139  417141  417145  417151  417153  417159  417165  417169  417171  417175  417181  417183  417189  417193  417195  417199  417201  417205  417207  417209  417210  417211  417213  417214  417215  417217  417219  417223  417225  417229  417231  417235  417241  417243  417249  417253  417255  417259  417265  417271  417273  417279  417283  417285  417291  417295  417301  417309  447090 

17. 解:原式= 

       =1

试题详情

16. 解:原式

      

      

试题详情

15.

原式=4-1+1+3       

=5   

试题详情

14.  解:

试题详情

13. 解:

试题详情

12. 原式

试题详情

11. 解:原式····························································································· 3分

6分

试题详情

10. 解:原式

试题详情

9. 解:原式································ (4分)

试题详情

8. 解:原式=

         ==2

试题详情


同步练习册答案