
计算:(1)112×[3×(?23)2?1]?13×(?2)3(2)-9÷3+(12?23)×12+32;(3)(213?312+14)÷(116)×(?1)
计算:(1)112×[3×(?23)2?1]?13×(?2)3(2)-9÷3+(12?23)×12+32;(3)(213?312+14)÷(116)×(?1)2n....
计算:(1)112×[3×(?23)2?1]?13×(?2)3(2)-9÷3+(12?23)×12+32;(3)(213?312+14)÷(116)×(?1)2n.
展开
1个回答
展开全部
(1)1
×[3×(?
)2?1]?
×(?2)3
=
×(3×
-1)-
×(-8)
=
×
+
×8
=
;
(2)-9÷3+(
?
)×12+32
=-3-
×12+9
=4;
(3)(2
?3
+14)÷(1
)×(?1)2n
=(
-
+14)×
×1
=2-3+12
=11.
1 |
2 |
2 |
3 |
1 |
3 |
=
3 |
2 |
4 |
9 |
1 |
3 |
=
3 |
2 |
1 |
3 |
1 |
3 |
=
19 |
6 |
(2)-9÷3+(
1 |
2 |
2 |
3 |
=-3-
1 |
6 |
=4;
(3)(2
1 |
3 |
1 |
2 |
1 |
6 |
=(
7 |
3 |
7 |
2 |
6 |
7 |
=2-3+12
=11.
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