题目内容
计算:
(1)-12013+(-3)2×|-
|-43÷(-2)4;
(2)|
-1|÷(
-
)-
×(-4)3.
(1)-12013+(-3)2×|-
| 2 |
| 9 |
(2)|
| 2 |
| 9 |
| 1 |
| 5 |
| 2 |
| 3 |
| 1 |
| 3 |
(1)-12013+(-3)2×|-
|-43÷(-2)4
=-1+9×
-64÷16
=-1+2-4
=-3;
(2)|
-1|÷(
-
)-
×(-4)3
=
÷(-
)-
×(-64)
=-
+
=19
.
| 2 |
| 9 |
=-1+9×
| 2 |
| 9 |
=-1+2-4
=-3;
(2)|
| 2 |
| 9 |
| 1 |
| 5 |
| 2 |
| 3 |
| 1 |
| 3 |
=
| 7 |
| 9 |
| 7 |
| 15 |
| 1 |
| 3 |
=-
| 5 |
| 3 |
| 64 |
| 3 |
=19
| 2 |
| 3 |
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