摘要:19.你来算一算!千万别出错!
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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|.
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(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 |
你来算一算!千万别出错!
(1)2-6÷(-2)×(-
)
(2)-12008+(1-0.5)×
×[2-(-3)2]
(3)
-(
+
)÷(-2)
(4)(-24)×(
-
+
)+(-2)3.
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(1)2-6÷(-2)×(-
1 |
2 |
(2)-12008+(1-0.5)×
1 |
3 |
(3)
1 |
30 |
2 |
3 |
3 |
5 |
(4)(-24)×(
1 |
8 |
1 |
3 |
1 |
4 |