早教吧作业答案频道 -->其他-->
计算:(1)37×159(2)223×6(3)12314×712(4)(116+59−718)×36(5)19×(120×9)×124(6)525×58+58×535.
题目详情
计算:
(1)
×1
(2)2
×6
(3)12
×
(4)(
+
−
)×36
(5)
×(120×9)×
(6)5
×
+
×5
.
(1)
3 |
7 |
5 |
9 |
(2)2
2 |
3 |
(3)12
3 |
14 |
7 |
12 |
(4)(
11 |
6 |
5 |
9 |
7 |
18 |
(5)
1 |
9 |
1 |
24 |
(6)5
2 |
5 |
5 |
8 |
5 |
8 |
3 |
5 |
▼优质解答
答案和解析
(1)
×1
,
=
×
,
=
;
(2)2
×6,
=(2+
)×6,
=2×6+
×6,
=12+4,
=16;
(3)12
×
,
=(12+
)×
,
=12×
+
×
,
=7+
,
=7
;
(4)(
+
−
)×36,
=
×36+
×36-
×36,
=66+20-14,
=86-14,
=72;
(5)
×(120×9)×
,
=(
×9)×(120×
),
=1×5,
=6;
(6)5
×
+
×5
,
=(5
+5
)×
3 |
7 |
5 |
9 |
=
3 |
7 |
14 |
9 |
=
2 |
3 |
(2)2
2 |
3 |
=(2+
2 |
3 |
=2×6+
2 |
3 |
=12+4,
=16;
(3)12
3 |
14 |
7 |
12 |
=(12+
3 |
14 |
7 |
12 |
=12×
7 |
12 |
3 |
14 |
7 |
12 |
=7+
1 |
8 |
=7
1 |
8 |
(4)(
11 |
6 |
5 |
9 |
7 |
18 |
=
11 |
6 |
5 |
9 |
7 |
18 |
=66+20-14,
=86-14,
=72;
(5)
1 |
9 |
1 |
24 |
=(
1 |
9 |
1 |
24 |
=1×5,
=6;
(6)5
2 |
5 |
5 |
8 |
5 |
8 |
3 |
5 |
=(5
2 |
5 |
3 |
5 |
看了 计算:(1)37×159(2...的网友还看了以下:
将1,-(1/2),1/3,-(1/4),1/5,-(1/6).按一定规律排列如下第一行1第二行- 2020-06-03 …
JAVA写一个很基础的题可以使用一下公式计算ππ=4*(1-1/3+1/5-1/7+1/9-1/1 2020-07-17 …
一、我们知道1/1×2=1/1-1/2=1/2,1/2×3=1/2-1/3=1/6验证:1/3×4 2020-07-17 …
直角三角形1:1:根号2请问各路高手:直角三角形三个角分别为30°60°90°我想问的是:1:1: 2020-07-22 …
寻找规律解数学题1/1*2=1-1/22/2*3=1/2-1/31/3*4=1/3-1/4……计算 2020-07-22 …
由下列各式:1>1/2,1+1/2+1/3>1有下列各式:1>1/2;1+1/2+1/3>1;1+1 2020-10-30 …
4,2,1,1/2,1/4,(),(),()找规律填数1、4,2,1,1/2,1/4,(),(),( 2020-11-01 …
求助1/2*4+1/4*6+1/6*8+…+1/2010*2012=1/2(1/2-1/4+1/4- 2020-11-07 …
计算一道数学题,(1+1/2)×(1+1/3)×(1+1/4)×(1+1/5)×(1+1/6)×(1 2020-11-30 …
三元醇F的分子式为C3H6O3,在核磁共振氢谱图中峰值比为4:2:1:1,请问F的结构式是什么?为什 2020-12-31 …