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(2014•云阳县)能简算的用简便方法计算(736÷16+37)×18(56+78-512)÷124[56-(514-27)]×718(78-516)×(29+23)20.14×1994-19.93×201435÷[(15+13)÷29]
题目详情
(2014•云阳县)
能简算的用简便方法计算
(736÷16+37)×18
(
+
-
)÷
[
-(
-
)]×
能简算的用简便方法计算
(736÷16+37)×18
(
+
-
)÷
+
-
)÷
5 5 6 6
-
)÷
7 7 8 8
)÷
5 5 12 12
1 1 24 24
[
-(
-
)]×
-(
-
)]×
5 5 6 6
-
)]×
5 5 14 14
)]×
2 2 7 7
7 7 18 18 (
-
)×(
+
) 20.14×1994-19.93×2014
÷[(
+
)÷
](
-
)×(
+
)
-
)×(
+
)
7 7 8 8
)×(
+
)
5 5 16 16
+
)
2 2 9 9
)
2 2 3 3 20.14×1994-19.93×2014
÷[(
+
)÷
]
÷[(
+
)÷
]
3 3 5 5
+
)÷
]
1 1 5 5
)÷
]
1 1 3 3
]
2 2 9 9
能简算的用简便方法计算 (736÷16+37)×18 | (
| [
| ||||||||||||||||
(
| 20.14×1994-19.93×2014 |
|
能简算的用简便方法计算 (736÷16+37)×18 | (
| [
| ||||||||||||||||
(
| 20.14×1994-19.93×2014 |
|
(736÷16+37)×18
(
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
(736÷16+37)×18
(
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
7 |
8 |
5 |
12 |
1 |
24 |
5 |
12 |
1 |
24 |
1 |
24 |
[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
5 |
14 |
2 |
7 |
7 |
18 |
2 |
7 |
7 |
18 |
7 |
18 |
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
3 |
5 |
1 |
5 |
1 |
3 |
2 |
9 |
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
5 |
16 |
2 |
9 |
2 |
3 |
2 |
9 |
2 |
3 |
2 |
3 |
3 |
5 |
1 |
5 |
1 |
3 |
2 |
9 |
3 |
5 |
1 |
5 |
1 |
3 |
2 |
9 |
3 |
5 |
1 |
5 |
1 |
3 |
2 |
9 |
1 |
5 |
1 |
3 |
2 |
9 |
1 |
3 |
2 |
9 |
2 |
9 |
▼优质解答
答案和解析
(1)(736÷16+37)×18
=(46+37)×18
=83×18
=1494;
(2)(
+
-
)÷
=(
+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 56 6 6+
-
)÷
=(
+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 78 8 8-
)÷
=(
+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 512 12 12)÷
=(
+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
1 1 124 24 24
=(
+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 56 6 6+
-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 78 8 8-
)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 512 12 12)×24
=
×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 56 6 6×24+
×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 78 8 8×24-
×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 512 12 12×24
=20+21-10
=31;
(3)[
-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 56 6 6-(
-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 514 14 14-
)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
2 2 27 7 7)]×
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 718 18 18
=[
-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 56 6 6-
]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
1 1 114 14 14]×
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 718 18 18
=
×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
16 16 1621 21 21×
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 718 18 18
=
;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
8 8 827 27 27;
(4)(
-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
7 7 78 8 8-
)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
5 5 516 16 16)×(
+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
2 2 29 9 9+
)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
2 2 23 3 3)
=
×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
9 9 916 16 16×
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
8 8 89 9 9
=
;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
1 1 12 2 2;
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
÷[(
+
3 3 35 5 5÷[(
+
1 1 15 5 5+
举报
问题解析 问题解析
(1)先算除法,再算加法,最后算乘法;
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法. (1)先算除法,再算加法,最后算乘法;
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.名师点评 名师点评
本题考点: 本题考点:
整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算. 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
考点点评: 考点点评:
整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算. 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.
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var userCity = "\u4e50\u5c71",
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zuowenSmall = "2";
=(46+37)×18
=83×18
=1494;
(2)(
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
=(
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
6 |
7 |
8 |
5 |
12 |
1 |
24 |
=(
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
8 |
5 |
12 |
1 |
24 |
=(
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
12 |
1 |
24 |
=(
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
1 |
24 |
=(
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
6 |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
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![]()
![]() ![]() |
7 |
8 |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
12 |
=
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
6 |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
8 |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
12 |
=20+21-10
=31;
(3)[
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
6 |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
14 |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
2 |
7 |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
18 |
=[
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
6 |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
1 |
14 |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
18 |
=
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
16 |
21 |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
18 |
=
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
8 |
27 |
(4)(
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
7 |
8 |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
5 |
16 |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
2 |
9 |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
2 |
3 |
=
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
9 |
16 |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
8 |
9 |
=
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
1 |
2 |
(5)20.14×1994-19.93×2014
=2014×19.94-19.93×2014
=(19.94-19.93)×2014
=0.01×2014
=20.14;
(6)
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
3 |
5 |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
1 |
5 |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
作业帮用户
2016-12-04
举报
![]()
![]() ![]() |
作业帮用户
2016-12-04
举报

- 问题解析
- (1)先算除法,再算加法,最后算乘法;
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.
- 名师点评
-
- 本题考点:
- 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
-
- 考点点评:
- 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.


作业帮用户
2016-12-04
举报

- 问题解析
- (1)先算除法,再算加法,最后算乘法;
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.
- 名师点评
-
- 本题考点:
- 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
-
- 考点点评:
- 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.


作业帮用户
2016-12-04
举报
作业帮用户作业帮用户
2016-12-042016-12-04
举报



- 问题解析
- (1)先算除法,再算加法,最后算乘法;
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.
(2)(5)利用乘法分配律简算;
(3)先算小括号里面的减法,再算中括号里面的减法,最后算乘法;
(4)先算加法和减法,再算乘法;
(6)先算加法,再算括号里面的除法,最后算括号外面的除法.
- 名师点评
-
- 本题考点:
- 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
-
- 考点点评:
- 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.
- 本题考点:
- 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
- 本题考点:
- 整数四则混合运算;运算定律与简便运算;分数的四则混合运算;小数四则混合运算.
- 考点点评:
- 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.
- 考点点评:
- 整数混合运算的关键是抓住运算顺序,正确按顺序计算,适当利用运算定律简算.






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