计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)-25+(58?16+712)×(-2.4)(3)-32-|(?5)3|×(?25)2
计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)-25+(58?16+712)×(-2.4)(3)-32-|(?5)3|×(?25)2?18÷|?(?3)...
计算:(1)-8-(-10)+(+6)+(-4)-(-8)(2)-25+(58?16+712)×(-2.4)(3)-32-|(?5)3|×(?25)2?18÷|?(?3)2|;(4)?23+(?0.1)2÷(?114)?(?2)3×(?14).
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(1)原式=-8+10+6-4+8
=12;
(2)原式=-
-
+
-
=-2.9;
(3)原式=-32-125×
-18÷9
=-32-12-2
=46;
(4)原式=-8+
×(-
)-8×
=-8-
-2
=-10
.
=12;
(2)原式=-
| 2 |
| 5 |
| 3 |
| 2 |
| 2 |
| 5 |
| 7 |
| 5 |
=-2.9;
(3)原式=-32-125×
| 4 |
| 25 |
=-32-12-2
=46;
(4)原式=-8+
| 1 |
| 100 |
| 4 |
| 5 |
| 1 |
| 4 |
=-8-
| 1 |
| 125 |
=-10
| 1 |
| 125 |
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