题目内容
计算题:
(1)-6+4-2;
(2)-81÷
×
÷(-16);
(3)(-36)×(-
+
-
);
(4)-14-
×[2-(-3)2].
(1)-6+4-2;
(2)-81÷
| 9 |
| 4 |
| 4 |
| 9 |
(3)(-36)×(-
| 4 |
| 9 |
| 5 |
| 6 |
| 7 |
| 12 |
(4)-14-
| 1 |
| 6 |
(1)原式=-2-2=-4;
(2)原式=81×
×
×
=1;
(3)原式=36×
-36×
+36×
=16-30+21=7;
(4)原式=-1-
(2-9)=-1-
×(-7)=-1+
=
.
(2)原式=81×
| 4 |
| 9 |
| 4 |
| 9 |
| 1 |
| 16 |
(3)原式=36×
| 4 |
| 9 |
| 5 |
| 6 |
| 7 |
| 12 |
(4)原式=-1-
| 1 |
| 6 |
| 1 |
| 6 |
| 7 |
| 6 |
| 1 |
| 6 |
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