题目内容
计算
(1)-8+4÷(-2)
(2)-10÷
×5
(3)(-6)2×(
-
)
(4)-[(-0.4)+2
]+14
(5)(-1)2-(6-10)÷
(6)16÷(-24)+
×
.
(1)-8+4÷(-2)
(2)-10÷
| 1 |
| 5 |
(3)(-6)2×(
| 1 |
| 2 |
| 2 |
| 3 |
(4)-[(-0.4)+2
| 2 |
| 5 |
(5)(-1)2-(6-10)÷
| 4 |
(6)16÷(-24)+
| 1 |
| 8 |
| 3 | -64 |
(1)原式=-8-2=-10,
(2)原式=-10×5×5=-250,
(3)原式=36×
-36×
=18-24
=-6,
(4)原式=-2+1
=-1,
(5)原式=1-(-4)×
=1+
,
(6)原式=16÷(-16)+
×(-4)
=(-1)+(-
)
=-
.
(2)原式=-10×5×5=-250,
(3)原式=36×
| 1 |
| 2 |
| 2 |
| 3 |
=18-24
=-6,
(4)原式=-2+1
=-1,
(5)原式=1-(-4)×
| ||
| 4 |
=1+
| 4 |
(6)原式=16÷(-16)+
| 1 |
| 8 |
=(-1)+(-
| 1 |
| 2 |
=-
| 3 |
| 2 |
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