计算:(1)(+14)+(?213)?(?234)?(+323);(2)(?512)×411?8÷|?2+4|;(3)(29?14+118)÷(?136);(4)
计算:(1)(+14)+(?213)?(?234)?(+323);(2)(?512)×411?8÷|?2+4|;(3)(29?14+118)÷(?136);(4)?32×...
计算:(1)(+14)+(?213)?(?234)?(+323);(2)(?512)×411?8÷|?2+4|;(3)(29?14+118)÷(?136);(4)?32×13?[(?5)2×(?35)?240÷(?4)×14?2].
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(1)原式=
-
+
-
=3-6
=-3;
(2)原式=-
×
-8×
=-2-4
=-6;
(3)原式=
×(-36)
=-1;
(4)原式=-9×
-[25×(-
)+60×
-2]
=-3-(-15+15-2)
=-3+2
=-1.
| 1 |
| 4 |
| 7 |
| 3 |
| 11 |
| 4 |
| 11 |
| 3 |
=3-6
=-3;
(2)原式=-
| 11 |
| 2 |
| 4 |
| 11 |
| 1 |
| 2 |
=-2-4
=-6;
(3)原式=
| 8?9+2 |
| 36 |
=-1;
(4)原式=-9×
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 4 |
=-3-(-15+15-2)
=-3+2
=-1.
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