题目内容
计算
①
+
②-32×2-24÷(-
)
③25-5×
+|-2|
④(
-
+
)×(-36)
①
| 144 |
| 3 | -8 |
②-32×2-24÷(-
| 8 |
| 3 |
③25-5×
| 1 |
| 5 |
④(
| 1 |
| 2 |
| 5 |
| 9 |
| 7 |
| 12 |
①原式=12-2
=10;
②原式=-9×2-24×(-
)
=-18+9
=-9;
③原式=25-1+2
=26;
④原式=
×(-36)-
×(-36)+
×(-36)
=-18+20-21
=-18-1
=-19.
=10;
②原式=-9×2-24×(-
| 3 |
| 8 |
=-18+9
=-9;
③原式=25-1+2
=26;
④原式=
| 1 |
| 2 |
| 5 |
| 9 |
| 7 |
| 12 |
=-18+20-21
=-18-1
=-19.
练习册系列答案
相关题目