早教吧作业答案频道 -->其他-->
计算下列各题.(能简算的要简算)72×58+32×58425×58-25÷8(516+38-732)×32(15-19)×4523+8×(78-56)[1-(14+38)]÷14.
题目详情
计算下列各题.(能简算的要简算)
×
+
×
×
-
÷8 (
+
-
)×32
×
+
×
×
+
×
7 7 2 2
+
×
5 5 8 8
×
3 3 2 2
5 5 8 8
×
-
÷8
×
-
÷8
4 4 25 25
-
÷8
5 5 8 8
÷8
2 2 5 5 (
+
-
)×32
+
-
)×32
5 5 16 16
-
)×32
3 3 8 8
)×32
7 7 32 32 (
-
)×45
+8×(
-
) [1-(
+
)]÷
. (
-
)×45
-
)×45
1 1 5 5
)×45
1 1 9 9
+8×(
-
)
+8×(
-
)
2 2 3 3
-
)
7 7 8 8
)
5 5 6 6 [1-(
+
)]÷
.
+
)]÷
.
1 1 4 4
)]÷
.
3 3 8 8
.
1 1 4 4
|
| (
| ||||||||||||||||||||
(
|
| [1-(
|
|
| (
| ||||||||||||||||||||
(
|
| [1-(
|
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
4 |
25 |
5 |
8 |
2 |
5 |
5 |
16 |
3 |
8 |
7 |
32 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
5 |
8 |
3 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
5 |
8 |
4 |
25 |
5 |
8 |
2 |
5 |
4 |
25 |
5 |
8 |
2 |
5 |
4 |
25 |
5 |
8 |
2 |
5 |
5 |
8 |
2 |
5 |
2 |
5 |
5 |
16 |
3 |
8 |
7 |
32 |
5 |
16 |
3 |
8 |
7 |
32 |
5 |
16 |
3 |
8 |
7 |
32 |
3 |
8 |
7 |
32 |
7 |
32 |
1 |
5 |
1 |
9 |
2 |
3 |
7 |
8 |
5 |
6 |
1 |
4 |
3 |
8 |
1 |
4 |
1 |
5 |
1 |
9 |
1 |
5 |
1 |
9 |
1 |
5 |
1 |
9 |
1 |
9 |
2 |
3 |
7 |
8 |
5 |
6 |
2 |
3 |
7 |
8 |
5 |
6 |
2 |
3 |
7 |
8 |
5 |
6 |
7 |
8 |
5 |
6 |
5 |
6 |
1 |
4 |
3 |
8 |
1 |
4 |
1 |
4 |
3 |
8 |
1 |
4 |
1 |
4 |
3 |
8 |
1 |
4 |
3 |
8 |
1 |
4 |
1 |
4 |
▼优质解答
答案和解析
(1)
×
+
×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32 (1)
×
+
×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32 (1)
×
+
×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
7 7 72 2 2×
+
×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
5 5 58 8 8+
×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
3 3 32 2 2×
=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
5 5 58 8 8
=(
+
)×
=(
+
)×
=(
+
)×
7 7 72 2 2+
)×
3 3 32 2 2)×
5 5 58 8 8=5×
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
5 5 58 8 8
=
;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
25 25 258 8 8;
(2)
×
-
÷8
=
-
=
;
(3)(
+
-
)×32
4 4 425 25 25×
-
÷8
=
-
=
;
(3)(
+
-
)×32
5 5 58 8 8-
÷8
=
-
=
;
(3)(
+
-
)×32
2 2 25 5 5÷8
=
-
=
;
(3)(
+
-
)×32
1 1 110 10 10-
=
;
(3)(
+
-
)×32
1 1 120 20 20
=
;
(3)(
+
-
)×32
1 1 120 20 20;
(3)(
+
-
)×32
5 5 516 16 16+
-
)×32
3 3 38 8 8-
)×32
7 7 732 32 32)×32=
×32+
×32-
×32
=10+12-7
=15;
(4)(
-
)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
5 5 516 16 16×32+
×32-
×32
=10+12-7
=15;
(4)(
-
)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
3 3 38 8 8×32-
×32
=10+12-7
=15;
(4)(
-
)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
7 7 732 32 32×32
=10+12-7
=15;
(4)(
-
)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
1 1 15 5 5-
)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
1 1 19 9 9)×45
=
×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
1 1 15 5 5×45-
×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
1 1 19 9 9×45
=9-5
=4;
(5)
+8×(
-
)
=
+8×
2 2 23 3 3+8×(
-
)
=
+8×
7 7 78 8 8-
)
=
+8×
5 5 56 6 6)
=
+8×
2 2 23 3 3+8×
7 7 78
8
8
举报
问题解析 问题解析
(1)(3)(4)直接利用乘法分配律简算;
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法. (1)(3)(4)直接利用乘法分配律简算;
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.名师点评 名师点评
本题考点: 本题考点:
分数的简便计算;分数的四则混合运算. 分数的简便计算;分数的四则混合运算.
考点点评: 考点点评:
计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算. 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.
扫描下载二维码
扫描下载二维码
©2019 作业帮 联系方式:service@zuoyebang.com
作业帮协议作业帮协议

var userCity = "\u4e50\u5c71",
userProvince = "\u56db\u5ddd",
zuowenSmall = "0";
(1)
=
(2)
=
=
(3)(
|
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
7 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
5 |
8 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
3 |
2 |
5 |
8 |
=(
|
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
5 |
8 |
=(
|
7 |
2 |
3 |
2 |
5 |
8 |
7 |
2 |
3 |
2 |
5 |
8 |
7 |
2 |
3 |
2 |
5 |
8 |
7 |
2 |
3 |
2 |
5 |
8 |
3 |
2 |
5 |
8 |
5 |
8 |
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
5 |
8 |
=
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
25 |
8 |
(2)
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
4 |
25 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
5 |
8 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
2 |
5 |
=
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
1 |
10 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
1 |
20 |
=
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
1 |
20 |
(3)(
5 |
16 |
3 |
8 |
7 |
32 |
5 |
16 |
3 |
8 |
7 |
32 |
3 |
8 |
7 |
32 |
7 |
32 |
5 |
16 |
3 |
8 |
7 |
32 |
=10+12-7
=15;
(4)(
1 |
5 |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
5 |
16 |
3 |
8 |
7 |
32 |
=10+12-7
=15;
(4)(
1 |
5 |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
3 |
8 |
7 |
32 |
=10+12-7
=15;
(4)(
1 |
5 |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
7 |
32 |
=10+12-7
=15;
(4)(
1 |
5 |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
1 |
5 |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
1 |
9 |
=
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
1 |
5 |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
1 |
9 |
=9-5
=4;
(5)
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
2 |
3 |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
7 |
8 |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
5 |
6 |
=
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
2 |
3 |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
7 |
8
作业帮用户
2017-11-01
举报
![]()
![]() ![]() |
作业帮用户
2017-11-01
举报

- 问题解析
- (1)(3)(4)直接利用乘法分配律简算;
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.
- 名师点评
-
- 本题考点:
- 分数的简便计算;分数的四则混合运算.
-
- 考点点评:
- 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.


作业帮用户
2017-11-01
举报

- 问题解析
- (1)(3)(4)直接利用乘法分配律简算;
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.
- 名师点评
-
- 本题考点:
- 分数的简便计算;分数的四则混合运算.
-
- 考点点评:
- 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.


作业帮用户
2017-11-01
举报
作业帮用户作业帮用户
2017-11-012017-11-01
举报



- 问题解析
- (1)(3)(4)直接利用乘法分配律简算;
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.
(2)同时计算乘和除,最后算减法;
(5)先用乘法分配律简算,在按顺序计算即可;
(6)先算括号里面的加法,再算中括号里面的减法,最后算除法.
- 名师点评
-
- 本题考点:
- 分数的简便计算;分数的四则混合运算.
-
- 考点点评:
- 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.
- 本题考点:
- 分数的简便计算;分数的四则混合运算.
- 本题考点:
- 分数的简便计算;分数的四则混合运算.
- 考点点评:
- 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.
- 考点点评:
- 计算抓住运算顺序,根据运算符号和数据适当选用运算定律简算.






看了 计算下列各题.(能简算的要简...的网友还看了以下:
由30个一、3个千分之一组成的数();2.0由30个一、3个千分之一组成的数();2.06的计数单 2020-05-20 …
2.07的计数单位是,它有个这样的计数单位. 2020-06-07 …
若A1:A5单元格为“3”,B1单元格为TRUE,则公式SUM(A1,B1,2)的计算结果为?打错 2020-07-09 …
280的计数单位是(),2.8的计数单位是(),的计数单位是();35%的计数单位是()。 2020-07-09 …
英语作文假如你是马晓旭,你打算在暑假期间邀请好朋友张辉一起去旅行.请根据提示写一封邀请信说明你的旅 2020-07-21 …
表达式6%10*2的计算结果是?,表达式9/2*3的计算结果是? 2020-07-23 …
1.小明吧10x(□+0.2)错算成10x□+0.2,他的计算的结果与正确的答案相差多少?2.两个 2020-07-30 …
30个1,3个千分之一组成的数是;2.05的计数单位是,它有个这样的计数单位. 2020-07-31 …
(-2)^1999+(-2)^2000的计算结果(-2)的1999次方+(-2)的2000次方的计算 2020-10-31 …
一只蜂鸟约重2.1克,2.1的计数单位是,含有个这样的计数单位. 2020-12-17 …