早教吧作业答案频道 -->其他-->
(2011•东莞)递等式计算,能简便的要简便计算.1570-570÷19×250.72÷(12+25)(34+35)÷1200.9×114+9.1÷45.
题目详情
(2011•东莞)递等式计算,能简便的要简便计算.
1570-570÷19×25
0.72÷(
+
)
(
+
)÷
0.9×1
+9.1÷
.
+
)
(
+
)÷
0.9×1
+9.1÷
.
1 1 2 2
)
(
+
)÷
0.9×1
+9.1÷
.
2 2 5 5
+
)÷
0.9×1
+9.1÷
.
3 3 4 4
)÷
0.9×1
+9.1÷
.
3 3 5 5
0.9×1
+9.1÷
.
1 1 20 20
+9.1÷
.
1 1 4 4
.
4 4 5 5
1570-570÷19×25
0.72÷(
1 |
2 |
2 |
5 |
(
3 |
4 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
1 |
2 |
2 |
5 |
(
3 |
4 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
1 |
2 |
2 |
5 |
(
3 |
4 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
2 |
5 |
3 |
4 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
3 |
4 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
3 |
5 |
1 |
20 |
0.9×1
1 |
4 |
4 |
5 |
1 |
20 |
1 |
4 |
4 |
5 |
1 |
4 |
4 |
5 |
4 |
5 |
▼优质解答
答案和解析
(1)1570-570÷19×25
=1570-30×25
=1570-750
=820;
(2)0.72÷(
+
)
=0.72÷
=0.8;
(3)(
+
)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
1 1 12 2 2+
)
=0.72÷
=0.8;
(3)(
+
)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
2 2 25 5 5)
=0.72÷
=0.8;
(3)(
+
)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
9 9 910 10 10
=0.8;
(3)(
+
)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 34 4 4+
)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 35 5 5)÷
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
1 1 120 20 20
=(
+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 34 4 4+
)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 35 5 5)×20
=
×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 34 4 4×20+
×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
3 3 35 5 5×20
=15+12
=27;
(4)0.9×1
+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
1 1 14 4 4+9.1÷
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
4 4 45 5 5
=0.9×
+9.1×
=(0.9+9.1)×
=10×
=12.5.
5 5 54 4 4+9.1×
=(0.9+9.1)×
=10×
=12.5.
5 5 54 4 4
=(0.9+9.1)×
=10×
=12.5.
5 5 54 4 4
=10×
=12.5.
5 5 54 4 4
=12.5.
=1570-30×25
=1570-750
=820;
(2)0.72÷(
1 |
2 |
2 |
5 |
=0.72÷
9 |
10 |
=0.8;
(3)(
3 |
4 |
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
1 |
2 |
2 |
5 |
=0.72÷
9 |
10 |
=0.8;
(3)(
3 |
4 |
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
2 |
5 |
=0.72÷
9 |
10 |
=0.8;
(3)(
3 |
4 |
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
9 |
10 |
=0.8;
(3)(
3 |
4 |
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
4 |
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
5 |
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
1 |
20 |
=(
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
4 |
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
5 |
=
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
4 |
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
3 |
5 |
=15+12
=27;
(4)0.9×1
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
1 |
4 |
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
4 |
5 |
=0.9×
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
5 |
4 |
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
5 |
4 |
=(0.9+9.1)×
5 |
4 |
=10×
5 |
4 |
=12.5.
5 |
4 |
=10×
5 |
4 |
=12.5.
5 |
4 |
=12.5.
看了 (2011•东莞)递等式计算...的网友还看了以下:
下列语句中正确的是()A.9的算术平方根是3B.9的平方根是3C.-9的平方根是-3D.9的算术平 2020-04-11 …
下列语句中正确5是()A.-9的平方根是-3B.9的平方根是3C.9的算术平方根是±3D.9的算术 2020-04-11 …
下列语句中正确的是()A.-9的平方根是-3B.9的平方根是3C.9的算术平方根是±3D.9的算术 2020-04-11 …
算24点拉.添运算符号哦1 2 3 4 5=901 2 3 4 5=901 5 5 9=103 3 2020-05-13 …
样本方差先求出这组数据的平均数:(6*2+7*3+8*2+9+10+11)/10=7.9再算方差( 2020-05-14 …
分别用5个1,5个2,5个3,5个4,5个5,5个6,5个7,5个8,5个9列算式计算100,例1 2020-05-22 …
9.试算平衡可以检查账户记录是否正确,如果试算平衡,说明记账绝对正确,试算不平衡,说明记账肯定有错 2020-06-15 …
有一种从0-9随便挑一个数经过一系列算法之后结果都是9,这算法怎么算来的就是从0-9随便挑一个数, 2020-07-11 …
-9.-6.2.7算出24用-9-627算出24,要3种3-57-13算出2434-610算出3个 2020-07-13 …
3*3=9那么是3的算数平方根是9,还是9的算术平方根是3?算术平方根和平方根有什么区别? 2020-08-03 …