
计算下列各题(1)?3?[?5+(1?2x23)÷(?2)] (2)?32÷83×(?23)2?(?32×12)×(?1)4 &nbs...
计算下列各题(1)?3?[?5+(1?2x23)÷(?2)](2)?32÷83×(?23)2?(?32×12)×(?1)4(3)?492324×48....
计算下列各题(1)?3?[?5+(1?2x23)÷(?2)] (2)?32÷83×(?23)2?(?32×12)×(?1)4 (3)?492324×48.
展开
1个回答
展开全部
(1)?3?[?5+(1?2x
)÷(?2)]
=-3-[-5+(1-
)×(-
)]
=-3-(-5+
)
=
;
(2)?32÷
×(?
)2?(?32×
)×(?1)4
=-9×
×
-(-9×
)×1
=-
+
=3;
(3)?49
×48
=(-49-
)×48
=-49×48-
×48
=-2398.
2 |
3 |
=-3-[-5+(1-
4 |
3 |
1 |
2 |
=-3-(-5+
1 |
6 |
=
11 |
6 |
(2)?32÷
8 |
3 |
2 |
3 |
1 |
2 |
=-9×
3 |
8 |
4 |
9 |
1 |
2 |
=-
3 |
2 |
9 |
2 |
=3;
(3)?49
23 |
24 |
=(-49-
23 |
24 |
=-49×48-
23 |
24 |
=-2398.
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