早教吧作业答案频道 -->其他-->
要使算式12+16+112+120+130+142+156+172+190+□=1成立,则□中的数等于110110.
题目详情
要使算式
+
+
+
+
+
+
+
+
+□=1成立,则□中的数等于
.
+
+
+
+
+
+
+
+
+□=1成立,则□中的数等于
.
1 1 2 2
1 1 6 6
1 1 12 12
1 1 20 20
1 1 30 30
1 1 42 42
1 1 56 56
1 1 72 72
1 1 90 90
1 1 10 10
1 1 10 10
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
1 |
10 |
1 |
10 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
1 |
10 |
1 |
10 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
1 |
10 |
1 |
10 |
1 |
10 |
1 |
10 |
1 |
10 |
1 |
10 |
▼优质解答
答案和解析
+
+
+
+
+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
.
1 1 12 2 2+
+
+
+
+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 16 6 6+
+
+
+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 112 12 12+
+
+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 120 20 20+
+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 130 30 30+
+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 142 42 42+
+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 156 56 56+
+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 172 72 72+
,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 190 90 90,
=
+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
.
1 1 12 2 2+
−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 12 2 2−
+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. −
1 1 13 3 3+
−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 13 3 3−
+…+
−
,
=1-
,
=
.
□=1-
,
=
. −
1 1 14 4 4+…+
−
,
=1-
,
=
.
□=1-
,
=
. +
1 1 19 9 9−
,
=1-
,
=
.
□=1-
,
=
. −
1 1 110 10 10,
=1-
,
=
.
□=1-
,
=
.
1 1 110 10 10,
=
.
□=1-
,
=
.
9 9 910 10 10.
□=1-
,
=
.
9 9 910 10 10,
=
.
1 1 110 10 10.
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
2 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
6 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
12 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
20 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
30 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
42 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
56 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
72 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
90 |
=
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
3 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
4 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
9 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
10 |
=1-
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
1 |
10 |
=
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
9 |
10 |
□=1-
9 |
10 |
=
1 |
10 |
9 |
10 |
=
1 |
10 |
1 |
10 |
看了 要使算式12+16+112+...的网友还看了以下:
1/2{1/2[1/2(1/2y-3)-3]-3}=17x-1/0.024=1-0.2x/0.08 2020-04-27 …
(1)1/1*2+1/2*3+.+1/2009*2010(2)1/2*4+1/4*6+.+1/20 2020-05-17 …
(1/2+1/3+1/4+...1/2013)X(1+1/2+1/3+1/4+...1/2012) 2020-07-14 …
初一一道数学找规律的题急用1.将1,-1/2,1/3,-1/4,1/5,-1/6,.按一定的规律排列 2020-11-03 …
求一道预备班数学期中考试的答案小明在做题时发现了一个规律:1*2/1=1-2/1,2*3/1=2/1 2020-11-05 …
若x是不等于1的有理数,我们把1/(1-x)称为x的差倒数,如2的差倒数是1/(1-2)=-1,-1 2020-11-10 …
设y=|x+1+|x-1|,则下列结论中正确的是y没有最小值只有一个x使y取最小值有有有限个x(不止 2020-11-17 …
观察下列等式①1/√2+1=√2-1/(√2+1)(√2-1)=-1+√2②1/√3+√2=√3-√ 2020-12-07 …
高中数学抽象函数已知定义在(-1,1)上的函数f(x)满足f(1/2)=1,且对任意x,y∈(-1, 2020-12-08 …
2013数学全国联看考决赛x1,x2,x3x4……到x15取值为-1或1则x1x2+x2x3+x3x 2020-12-31 …