题目内容
你来算一算!千万别出错!
(1)-
+
-
+
;
(2)-
×(
-
)×
×(-
);
(3)(-2)3×0.5-(-1.6)2÷(-2)2;
(4)-14÷(-5)2×(-
)+|0.8-1|.
(1)-
| 1 |
| 3 |
| 4 |
| 3 |
| 5 |
| 6 |
| 1 |
| 2 |
(2)-
| 33 |
| 5 |
| 1 |
| 2 |
| 1 |
| 3 |
| 15 |
| 11 |
| 24 |
| 9 |
(3)(-2)3×0.5-(-1.6)2÷(-2)2;
(4)-14÷(-5)2×(-
| 5 |
| 3 |
(1)原式=1-
+
=
+
=
;
(2)原式=-
×
×
×(-
)=4;
(3)原式=-8×
-
×
=4-
=
=-8×
-
×
=-4-
=-4
;
(4)原式=-1×
×(-
)+
=
+
=
.
| 5 |
| 6 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 2 |
| 2 |
| 3 |
(2)原式=-
| 33 |
| 5 |
| 1 |
| 6 |
| 15 |
| 11 |
| 8 |
| 3 |
(3)原式=-8×
| 1 |
| 2 |
| 64 |
| 25 |
| 1 |
| 4 |
| 16 |
| 25 |
| 116 |
| 25 |
| 1 |
| 2 |
| 64 |
| 25 |
| 1 |
| 4 |
| 16 |
| 25 |
| 16 |
| 25 |
(4)原式=-1×
| 1 |
| 25 |
| 5 |
| 3 |
| 1 |
| 5 |
| 1 |
| 15 |
| 3 |
| 15 |
| 4 |
| 15 |
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