早教吧作业答案频道 -->其他-->
用递等式计算.(可用简便算法)5710×310+310×31023+(47+12)×725813÷7+17×613813÷7+17×713(112+12-712)÷17115÷0.24-1.6×34.
题目详情
用递等式计算.(可用简便算法)
×
+
×
+(
+
)×
÷7+
×
÷7+
×
(
+
-
)÷
1
÷0.24-1.6×
.
57 |
10 |
3 |
10 |
3 |
10 |
3 |
10 |
2 |
3 |
4 |
7 |
1 |
2 |
7 |
25 |
8 |
13 |
1 |
7 |
6 |
13 |
8 |
13 |
1 |
7 |
7 |
13 |
(
1 |
12 |
1 |
2 |
7 |
12 |
1 |
7 |
1
1 |
5 |
3 |
4 |
▼优质解答
答案和解析
(1)
×
+
×
,
=(
+
)×
,
=6×
,
=
;
(2)
+(
+
)×
,
=
+
×
,
=
+
,
=
;
(3)
÷7+
×
,
=
×
+
×
,
=(
+
)×
,
=
×
,
=
;
(4)
÷7+
×
,
=
×
+
×
,
=(
+
)×
,
=
×
,
=
;
(5)(
+
-
)÷
,
=(
-
)÷
,
=0÷
,
=0;
(6)1
÷0.24-1.6×
,
=5-1.2,
=3.8.
57 |
10 |
3 |
10 |
3 |
10 |
3 |
10 |
=(
57 |
10 |
3 |
10 |
3 |
10 |
=6×
3 |
10 |
=
9 |
5 |
(2)
2 |
3 |
4 |
7 |
1 |
2 |
7 |
25 |
=
2 |
3 |
15 |
14 |
7 |
25 |
=
2 |
3 |
3 |
10 |
=
29 |
30 |
(3)
8 |
13 |
1 |
7 |
6 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
6 |
13 |
=(
8 |
13 |
6 |
13 |
1 |
7 |
=
14 |
13 |
1 |
7 |
=
2 |
13 |
(4)
8 |
13 |
1 |
7 |
7 |
13 |
=
8 |
13 |
1 |
7 |
1 |
7 |
7 |
13 |
=(
8 |
13 |
7 |
13 |
1 |
7 |
=
15 |
13 |
1 |
7 |
=
15 |
91 |
(5)(
1 |
12 |
1 |
2 |
7 |
12 |
1 |
7 |
=(
7 |
12 |
7 |
12 |
1 |
7 |
=0÷
1 |
7 |
=0;
(6)1
1 |
5 |
3 |
4 |
=5-1.2,
=3.8.
看了用递等式计算.(可用简便算法)...的网友还看了以下:
列综合算式或方程计算 1.0.6的一半除3.4与5.8的差,商是多少?灵活计算 (1)1/2÷1/ 2020-05-16 …
设a∈{0,1,2},b∈{2,3,4,5},r∈{5,6,7,8,9},则方程(x-a)2+(y 2020-05-23 …
1、3.8×4.5+0.45×38+0.038×102、6.3×2.7-7.5×5.3+4.8×6 2020-06-07 …
计算.6.9+4.8+3.10.456+6.22+3.7815.89+(6.75-5.89)4.0 2020-06-14 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
跪求帮忙解几道VB题目(1)7mod3+3^3/4\5(2)2^(-2\1.5)*16mod3/2 2020-07-17 …
怎样简便就怎样计算.1/7+5.4+6/79+1/4-(1/4+5/6)5/6+4/5-11/15 2020-07-18 …
简便运算.36÷8÷1.254.8×6.3+4.8×3.7 2020-07-19 …
3/4×8÷3/4×8简便计算 2020-11-26 …
(1)36×(2分之1-3分之1)2次方(2)12.7÷(-19分之8)×0(3)4×(-3)2次方 2020-12-17 …