早教吧作业答案频道 -->其他-->
脱式计算(能简算的要简算)①527×54+54×2227②25×47+37÷52③[2−(1+23)]÷27④(56−34)÷748+127.
题目详情
脱式计算(能简算的要简算)
①
×54+54×
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
①
×54+54×
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
5 5 27 27
22 22 27 27
②
×
+
÷
③[2−(1+
)]÷
④(
−
)÷
+
.
2 2 5 5
4 4 7 7
3 3 7 7
5 5 2 2
③[2−(1+
)]÷
④(
−
)÷
+
.
2 2 3 3
2 2 7 7
④(
−
)÷
+
.
5 5 6 6
3 3 4 4
7 7 48 48
12 12 7 7
①
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
①
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
5 |
27 |
22 |
27 |
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
③[2−(1+
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
2 |
3 |
2 |
7 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
▼优质解答
答案和解析
①
×54+54×
,
=(
+
)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
5 5 527 27 27×54+54×
22 22 2227 27 27,
=(
+
)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
5 5 527 27 27+
22 22 2227 27 27)×54,
=54;
②
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×
4 4 47 7 7+
3 3 37 7 7÷
5 5 52 2 2,
=
×
+
×
,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×
4 4 47 7 7+
3 3 37 7 7×
2 2 25 5 5,
=
×(
+
),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5×(
4 4 47 7 7+
3 3 37 7 7),
=
;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
2 2 25 5 5;
③[2−(1+
)]÷
,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. [2−(1+
2 2 23 3 3)]÷
2 2 27 7 7,
=[2−1
]÷
,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. [2−1
2 2 23 3 3]÷
2 2 27 7 7,
=
÷
,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
1 1 13 3 3÷
2 2 27 7 7,
=
;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
.
7 7 76 6 6;
④(
−
)÷
+
,
=
÷
+
,
=
+
,
=
. (
5 5 56 6 6−
3 3 34 4 4)÷
7 7 748 48 48+
12 12 127 7 7,
=
÷
+
,
=
+
,
=
.
1 1 112 12 12÷
7 7 748 48 48+
12 12 127 7 7,
=
+
,
=
.
4 4 47 7 7+
12 12 127 7 7,
=
.
16 16 167 7 7.
①
5 |
27 |
22 |
27 |
=(
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
27 |
22 |
27 |
=(
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
27 |
22 |
27 |
=54;
②
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
5 |
2 |
=
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
2 |
5 |
=
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
4 |
7 |
3 |
7 |
=
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
5 |
③[2−(1+
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
3 |
2 |
7 |
=[2−1
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
2 |
3 |
2 |
7 |
=
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
1 |
3 |
2 |
7 |
=
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
7 |
6 |
④(
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
5 |
6 |
3 |
4 |
7 |
48 |
12 |
7 |
=
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
1 |
12 |
7 |
48 |
12 |
7 |
=
4 |
7 |
12 |
7 |
=
16 |
7 |
4 |
7 |
12 |
7 |
=
16 |
7 |
16 |
7 |
看了 脱式计算(能简算的要简算)①...的网友还看了以下:
如何练就超快的口算能力?注意,这些计算不是简单的加减,而是一些复杂的加减乘除混合运算.并且不用笔算 2020-05-14 …
●就目前计算设备的计算能力而言,数据加密标准DES不能抵抗对密钥的穷举搜索攻击,其原因是 (29) 2020-05-25 …
就目前计算设备的计算能力而言,数据加密标准DES不能抵抗对密钥的穷举搜索攻击,其原因是(29)。A. 2020-05-26 …
就目前计算设备的计算能力而言,数据加密标准DES不能抵抗对密钥的穷举搜索攻击,其原因是______。 2020-05-26 …
生命科学研究:蛋白质分子是非常复杂的链,可以表示为无数个3D图形。在将蛋白质放到某种溶液中时,它们会 2020-05-31 …
人类基因克隆技术能实现人类最终完美形态吗?像鸟一样飞行像鱼一样畅游像蛇一样灵动而且不毒不侵下面还有 2020-06-21 …
怎么口算快而且准确怎么样让自己的口算能力加强在心里要怎么去算? 2020-07-10 …
2,3,6,6经过加减乘除的验算能算出24点列出综合算式 2020-07-17 …
算术好等于数学好么?心算能力强的孩子是神童吗?一般孩子可以练出《最强大脑》5岁小选手葛韵霖的心算能力 2020-10-30 …
有什么方法可以快速提高我的计算能力和计算速度,最好也能提高一下我的口算和心算能力最起码提高我对加减法 2020-10-30 …