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递等式计算(34÷3-110)×(1-13)35-34÷3+3549÷(56-12)+516[213-(90%+23)]÷7534+0.25÷(23-1.5×13)
题目详情
递等式计算
(
÷3-
)×(1-
)
-
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
÷3-
)×(1-
)
-
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
3 3 4 4
)×(1-
)
-
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
1 1 10 10
)
-
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
1 1 3 3
-
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
3 3 5 5
÷3+
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
3 3 4 4
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
3 3 5 5
÷(
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
4 4 9 9
-
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
5 5 6 6
)+
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
1 1 2 2
[2
-(90%+
)]÷
+0.25÷(
-1.5×
)
5 5 16 16
2
-(90%+
)]÷
+0.25÷(
-1.5×
)
1 1 3 3
)]÷
+0.25÷(
-1.5×
)
2 2 3 3
+0.25÷(
-1.5×
)
7 7 5 5
+0.25÷(
-1.5×
)
3 3 4 4
-1.5×
)
2 2 3 3
)
1 1 3 3
(
3 |
4 |
1 |
10 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
4 |
1 |
10 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
4 |
1 |
10 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
1 |
10 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
5 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
4 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
5 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
5 |
6 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
1 |
2 |
5 |
16 |
[2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
5 |
16 |
2
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
2 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
7 |
5 |
3 |
4 |
2 |
3 |
1 |
3 |
3 |
4 |
2 |
3 |
1 |
3 |
2 |
3 |
1 |
3 |
1 |
3 |
▼优质解答
答案和解析
(1)(
÷3-
)×(1-
),
=(
-
)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 34 4 4÷3-
)×(1-
),
=(
-
)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 110 10 10)×(1-
),
=(
-
)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 13 3 3),
=(
-
)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 14 4 4-
)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 110 10 10)×(1-
),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 13 3 3),
=
×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 320 20 20×
,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
2 2 23 3 3,
=
;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 110 10 10;
(2)
-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 35 5 5-
÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 34 4 4÷3+
,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 35 5 5,
=
-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 35 5 5-
+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 14 4 4+
,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 35 5 5,
=(
+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
3 3 35 5 5+
)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
+
3 3 35 5 5)-
,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
1 1 14 4 4,
=
−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
6 6 65 5 5−
,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
−
1 1 14 4 4,
=
;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
19 19 1920 20 20;
(3)
÷(
-
)+
,
=
÷
+
,
=
+
,
=
4 4 49 9 9÷(
-
)+
,
=
÷
+
,
=
+
,
=
5 5 56 6 6-
)+
,
=
÷
+
,
=
+
,
=
1 1 12 2 2)+
,
=
÷
+
,
=
+
,
=
5 5 516 16 16,
=
÷
+
,
=
+
,
=
4 4 49 9 9÷
+
,
=
+
,
=
1 1 13 3 3+
,
=
+
,
=
5 5 516 16 16,
=
+
,
=
4 4 43 3 3+
,
=
+
5 5 516 16 16,
=
举报
问题解析 问题解析
(1)先算前边括号里面的除法,再同时算前边括号的减法和后面括号的减法,最后算括号外的乘法;
(2)先算除法,然后再运用加法交换律简算;
(3)先算括号内的减法,再算括号外的除法,最后算加法;
(4)先根据减去两个数的和,等于连续减去这两个数计算中括号里面的,再算括号外的除法;
(5)先算小括号里面的乘法,再计算括号里面的减法,然后算括号外的除法,最后算加法. (1)先算前边括号里面的除法,再同时算前边括号的减法和后面括号的减法,最后算括号外的乘法;
(2)先算除法,然后再运用加法交换律简算;
(3)先算括号内的减法,再算括号外的除法,最后算加法;
(4)先根据减去两个数的和,等于连续减去这两个数计算中括号里面的,再算括号外的除法;
(5)先算小括号里面的乘法,再计算括号里面的减法,然后算括号外的除法,最后算加法.名师点评 名师点评
本题考点: 本题考点:
分数的四则混合运算;整数、分数、小数、百分数四则混合运算. 分数的四则混合运算;整数、分数、小数、百分数四则混合运算.
考点点评: 考点点评:
四则混合运算的顺序如下:
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算. 四则混合运算的顺序如下:
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
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3 |
4 |
1 |
10 |
1 |
3 |
=(
1 |
4 |
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
3 |
4 |
1 |
10 |
1 |
3 |
=(
1 |
4 |
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
10 |
1 |
3 |
=(
1 |
4 |
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
3 |
=(
1 |
4 |
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
4 |
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
10 |
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
3 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
3 |
20 |
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
2 |
3 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
4 |
9 |
5 |
6 |
1 |
2 |
5 |
16 |
=
4 |
9 |
1 |
3 |
5 |
16 |
=
4 |
3 |
5 |
16 |
=
1 |
10 |
(2)
3 |
5 |
3 |
4 |
3 |
5 |
=
3 |
5 |
1 |
4 |
3 |
5 |
=(
3 |
5 |
3 |
5 |
1 |
4 |
=
6 |
5 |
1 |
4 |
=
19 |
20 |
(3)
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作业帮用户
2017-10-03
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作业帮用户作业帮用户
2017-10-032017-10-03
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- 问题解析
- (1)先算前边括号里面的除法,再同时算前边括号的减法和后面括号的减法,最后算括号外的乘法;
(2)先算除法,然后再运用加法交换律简算;
(3)先算括号内的减法,再算括号外的除法,最后算加法;
(4)先根据减去两个数的和,等于连续减去这两个数计算中括号里面的,再算括号外的除法;
(5)先算小括号里面的乘法,再计算括号里面的减法,然后算括号外的除法,最后算加法.
(2)先算除法,然后再运用加法交换律简算;
(3)先算括号内的减法,再算括号外的除法,最后算加法;
(4)先根据减去两个数的和,等于连续减去这两个数计算中括号里面的,再算括号外的除法;
(5)先算小括号里面的乘法,再计算括号里面的减法,然后算括号外的除法,最后算加法.
(2)先算除法,然后再运用加法交换律简算;
(3)先算括号内的减法,再算括号外的除法,最后算加法;
(4)先根据减去两个数的和,等于连续减去这两个数计算中括号里面的,再算括号外的除法;
(5)先算小括号里面的乘法,再计算括号里面的减法,然后算括号外的除法,最后算加法.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算;整数、分数、小数、百分数四则混合运算.
-
- 考点点评:
- 四则混合运算的顺序如下:
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
- 本题考点:
- 分数的四则混合运算;整数、分数、小数、百分数四则混合运算.
- 本题考点:
- 分数的四则混合运算;整数、分数、小数、百分数四则混合运算.
- 考点点评:
- 四则混合运算的顺序如下:
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
- 考点点评:
- 四则混合运算的顺序如下:
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
1、如果是同一级运算,一般按从左往右依次进行计算;
2、如果既有加减、又有乘除法,先算乘除法、再算加减;
3、如果有括号,先算括号里面的;
4、如果符合运算定律,可以利用运算定律进行简算.
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