(1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2

题目简介

(1)108+45+113-125(2)8x3+125=0(3)(32+48)(18-43)(4)(3+10)2006(3-10)2005(5)4-(15+2)0+(-2)3÷3-1(6)(1-2)2

题目详情

(1)
108
+
45
+
1
1
3
-
125
        
(2)8x3+125=0
(3)(3
2
+
48
)(
18
-4
3
)
   
(4)(3+
10
)2006(3-
10
)2005

(5)
4
-(
1
5+2
)0+(-2)3÷3-1
   
(6)
(1-
2
)2
+
3(2-
2
)3
+|π-4|+
(π-3.14)2
题型:解答题难度:中档来源:不详

答案

(1)原式=6
3
+3
5
+
2
3
3
-5
5

=class="stub"20
3
-2
5


(2)方程变形得:x3=-class="stub"125
8

解得:x=-class="stub"5
2


(3)原式=(3
2
-4
3
)(3
2
+4
3

=(3
2
)2-(4
3
)2
=-30;

(4)原式=(3+
10
)[(3+
10
)(3-
10
)]2005
=-3-
10


(5)原式=2-1-8×3
=-23;

(6)原式=
2
-1+2-
2
+4-π+π-3.14
=1.86.

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