题目
题型：解答题难度：一般来源：不详
（1）7
| 3 |
| 4 |
| 4 |
| 11 |
| 1 |
| 4 |
| 7 |
| 11 |
| 1 |
| 4 |
| 1 |
| 4 |
（2）(-0.5)÷1
| 5 |
| 6 |
（3）-7×
| 5 |
| 4 |
| 5 |
| 4 |
| 2 |
| 5 |
（4）(
| 2 |
| 3 |
| 11 |
| 12 |
| 14 |
| 15 |
（5）-32-
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
答案
| 3 |
| 4 |
| 4 |
| 11 |
| 1 |
| 4 |
| 7 |
| 11 |
| 1 |
| 4 |
| 1 |
| 4 |
=（7
| 3 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
| 4 |
| 11 |
| 7 |
| 11 |
=16-12
=4；
（2）(-0.5)÷1
| 5 |
| 6 |
=
| 1 |
| 2 |
| 6 |
| 11 |
=-3；
（3）-7×
| 5 |
| 4 |
| 5 |
| 4 |
| 2 |
| 5 |
=（-7+5）×
| 5 |
| 4 |
| 2 |
| 5 |
=（-2）×
| 5 |
| 4 |
| 2 |
| 5 |
=-
| 5 |
| 2 |
| 2 |
| 5 |
=-2
| 9 |
| 10 |
（4）(
| 2 |
| 3 |
| 11 |
| 12 |
| 14 |
| 15 |
=-
| 2 |
| 3 |
| 11 |
| 12 |
| 14 |
| 15 |
=-40+55+56
=71；
（5）-32-
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
=-9-
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
=-9-
| 1 |
| 3 |
=-9-
| 1 |
| 3 |
=-9-0
=-9．
核心考点
试题【计算：（1）734-5411-314-6711+914+214（2）(-0.5)÷156×(-11)（3）-7×54+(-5)×(-54)-25（4）(23-1】；主要考察你对有理数的混合运算等知识点的理解。[详细]
举一反三
（1）
| 5 |
| 6 |
| 1 |
| 2 |
| 1 |
| 6 |
（2）-10+8÷（-2）2-3×（-4）-15．
| A．2，3 | B．3，3 | C．2，4 | D．3，4 |
①
| 2 |
| 3 |
| 1 |
| 6 |
| 1 |
| 3 |
| 5 |
| 6 |
②15-〔1-（-10-4）〕
③（-
| 3 |
| 4 |
| 2 |
| 9 |
| 5 |
| 12 |
| 1 |
| 36 |
④-14-[2-(-3)2]÷(-
| 1 |
| 2 |