计算:(1)23?18?(?13)+(?58);(2)-32×2-3×(-2)2;(3)?34×[?32×(?23)2?2];(4)(59?34+118)
计算:(1)23?18?(?13)+(?58);(2)-32×2-3×(-2)2;(3)?34×[?32×(?23)2?2];(4)(59?34+118)×(?36)....
计算:(1)23?18?(?13)+(?58);(2)-32×2-3×(-2)2;(3)?34×[?32×(?23)2?2];(4)(59?34+118)×(?36).
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(1)原式=
-
+
-
=1-
=
;
(2)原式=-9×2-3×4
=-18-12
=-31;
(3)原式=-
×(-9×
-2)
=-
×(-6)
=
;
(4)原式=
×(-36)-
×(-36)+
×(-36)
=-20+27-2
=5.
| 2 |
| 3 |
| 1 |
| 8 |
| 1 |
| 3 |
| 5 |
| 8 |
=1-
| 3 |
| 4 |
=
| 1 |
| 4 |
(2)原式=-9×2-3×4
=-18-12
=-31;
(3)原式=-
| 3 |
| 4 |
| 4 |
| 9 |
=-
| 3 |
| 4 |
=
| 9 |
| 2 |
(4)原式=
| 5 |
| 9 |
| 3 |
| 4 |
| 1 |
| 18 |
=-20+27-2
=5.
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