题目内容
计算题
①(-2)2+[18-(-3)×2]÷4; ②1
×[3×(-
)2-1]-
×(-2)3.
①(-2)2+[18-(-3)×2]÷4; ②1
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
①原式=4+(18+6)÷4=4+6=10;
②原式=
×(3×
-1)-
×(-8)
=
×(
-1)-
×(-8)
=
×
+
=
.
②原式=
| 3 |
| 2 |
| 4 |
| 9 |
| 1 |
| 3 |
=
| 3 |
| 2 |
| 4 |
| 3 |
| 1 |
| 3 |
=
| 3 |
| 2 |
| 1 |
| 3 |
| 8 |
| 3 |
=
| 19 |
| 6 |
练习册系列答案
相关题目