题目内容
1964×(
-
)+43×(
-
)-2007×(
+
)+3=______.
| 1 |
| 43 |
| 1 |
| 2007 |
| 1 |
| 1964 |
| 1 |
| 2007 |
| 1 |
| 1964 |
| 1 |
| 43 |
1964×(
-
)+43×(
-
)-2007×(
+
)+3
=
-
+
-
-
-
+3
=(
-
)-(
+
)+(
-
)+3
=-1-1-1+3
=-3+3
=0
故答案为:0.
| 1 |
| 43 |
| 1 |
| 2007 |
| 1 |
| 1964 |
| 1 |
| 2007 |
| 1 |
| 1964 |
| 1 |
| 43 |
=
| 1964 |
| 43 |
| 1964 |
| 2007 |
| 43 |
| 1964 |
| 43 |
| 2007 |
| 2007 |
| 1964 |
| 2007 |
| 43 |
=(
| 1964 |
| 43 |
| 2007 |
| 43 |
| 1964 |
| 2007 |
| 43 |
| 2007 |
| 43 |
| 1964 |
| 2007 |
| 1964 |
=-1-1-1+3
=-3+3
=0
故答案为:0.
练习册系列答案
相关题目