计算(1)8×18(2)(?6)2?25+(?3)2(3)12?27+3(4)3(1?15)?31
计算(1)8×18(2)(?6)2?25+(?3)2(3)12?27+3(4)3(1?15)?315...
计算(1)8×18(2)(?6)2?25+(?3)2(3)12?27+3(4)3(1?15)?315
展开
1个回答
展开全部
(1)
×
=2
×3
=12;
(2)(?
)2?
+
=6-5+3=4;
(3)
?
+
=2
-3
+
=0;
(4)
(1?
)?3
=
-3
-
=
-
.
| 8 |
| 18 |
| 2 |
| 2 |
(2)(?
| 6 |
| 25 |
| (?3)2 |
(3)
| 12 |
| 27 |
| 3 |
| 3 |
| 3 |
| 3 |
(4)
| 3 |
| 15 |
|
| 3 |
| 5 |
3
| ||
| 5 |
| 3 |
| 18 |
| 5 |
| 5 |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询