题目内容
计算题
(1)23-37+3-52
(2)(
-
)×30÷(-
)
(3)(1-
+
)×(-48)
(4)-22÷(-4)3+|0.8-1|×(2
)2.
(1)23-37+3-52
(2)(
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 5 |
(3)(1-
| 1 |
| 6 |
| 3 |
| 4 |
(4)-22÷(-4)3+|0.8-1|×(2
| 1 |
| 2 |
(1)原式=23+3-37-52=26-89=-63;
(2)原式=
×30×(-5)=
×30×5=30;
(3)原式=-48+
×48-
×48=-48+8-36=-84+8=-76;
(4)原式=-4÷(-64)+0.2×
=
+
=
.
(2)原式=
| 1 |
| 6 |
| 1 |
| 6 |
(3)原式=-48+
| 1 |
| 6 |
| 3 |
| 4 |
(4)原式=-4÷(-64)+0.2×
| 25 |
| 4 |
=
| 1 |
| 16 |
| 5 |
| 4 |
=
| 21 |
| 16 |
练习册系列答案
相关题目