早教吧作业答案频道 -->数学-->
(1)(712-13)×27(2)511×[(25+13)÷56].
题目详情
(1)(
|
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
7 |
12 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
1 |
3 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
2 |
7 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
2 |
5 |
1 |
3 |
5 |
6 |
1 |
3 |
5 |
6 |
5 |
6 |
▼优质解答
答案和解析
(1)(
-
)×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
. (1)(
-
)×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
. (1)(
-
)×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
. (1)(
-
)×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
7 12 7 7 7 12 12 12 -
)×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
1 3 1 1 1 3 3 3 )×
,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
2 7 2 2 2 7 7 7 ,
=
×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
1 4 1 1 1 4 4 4 ×
,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
2 7 2 2 2 7 7 7 ,
=
;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
1 14 1 1 1 14 14 14 ;
(2)
×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
5 11 5 5 5 11 11 11 ×[(
+
)÷
],
=
×(
÷
),
=
×
,
=
.
2 5 2 2 2 5 5 5 +
)÷
],
=
×(
÷
),
=
×
,
=
.
1 3 1 1 1 3 3 3 )÷
],
=
×(
÷
),
=
×
,
=
.
5 6 5 5 5 6 6 6 ],
=
×(
÷
),
=
×
,
=
.
5 11 5 5 5 11 11 11 ×(
÷
),
=
×
,
=
.
11 15 11 11 11 15 15 15 ÷
),
=
×
,
=
. ÷
5 6 5 5 5 6 6 6 ),
=
×
,
=
.
5 11 5 5 5 11 11 11 ×
,
=
.
22 25 22 22 22 25 25 25 ,
=
.
2 5 2 2 2 5 5 5 .
(1)(
=
=
(2)
=
=
=
|
7 |
12 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
7 |
12 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
7 |
12 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
7 |
12 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
7 |
12 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
1 |
3 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
2 |
7 |
=
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
1 |
4 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
2 |
7 |
=
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
1 |
14 |
(2)
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
5 |
11 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
1 |
3 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
5 |
6 |
=
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
5 |
11 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
11 |
15 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
5 |
6 |
=
5 |
11 |
22 |
25 |
=
2 |
5 |
5 |
11 |
22 |
25 |
=
2 |
5 |
22 |
25 |
=
2 |
5 |
2 |
5 |
看了 (1)(712-13)×27...的网友还看了以下:
直接写出得数7÷1.4=0.23=0.77+0.33=1.65+1.5=25+13=25÷518= 2020-04-07 …
6、3.125×(1.6+12/5)÷(5/2-0.625)7/5×1/7×6/13+5/7×1/ 2020-04-07 …
1,5,4,-13,33,-1,2,5,-12,2,3,-4,1化成行最简形矩阵咋算的 2020-07-14 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
巧算(1)1.33-0.76+5.67-2.24(2)0.25×3.75+0.75×3.75(3) 2020-07-25 …
用数学归纳法证明1+5+9+13+...+4n-3=2被的n方-n用数学归纳法证明1+5+9+13 2020-08-01 …
口算13.2+0.08=2.13-0.1=5.7+13=5.82+0.2=4.8×10=0.51×1 2020-10-31 …
1*4*7*10*...*(3n-2)用阶乘表示,是否可以表示成(3n-2)!请简明回答,如果不是, 2020-11-03 …
一组数的排列如下:1,5,9,13,17,21,······①这组数的的第133个数是?一组数的排列 2020-11-06 …
3/5×1/7×6/13+5/7×1/5×3/13+1/13×3/7×2/5简便计算是多少 2020-11-26 …