早教吧作业答案频道 -->数学-->
计算下面各题,能简便运算的要用简便方法算12+23-56710-18-3837+910+472-(34+56)
题目详情
计算下面各题,能简便运算的要用简便方法算
+
-
-
-
+
+
2-(
+
)计算下面各题,能简便运算的要用简便方法算
+
-
-
-
+
+
2-(
+
)
+
-
-
-
+
+
2-(
+
)
1 2 1 1 2 2
-
-
-
+
+
2-(
+
)
2 3 2 2 3 3
-
-
+
+
2-(
+
)
5 6 5 5 6 6
-
-
+
+
2-(
+
)
7 10 7 7 10 10
-
+
+
2-(
+
)
1 8 1 1 8 8
+
+
2-(
+
)
3 8 3 3 8 8
+
+
2-(
+
)
3 7 3 3 7 7
+
2-(
+
)
9 10 9 9 10 10
2-(
+
)
4 7 4 4 7 7
+
)
3 4 3 3 4 4
)
5 6 5 5 6 6
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
2 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
2 |
3 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
7 |
10 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
1 |
8 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
3 |
8 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
3 |
7 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
9 |
10 |
4 |
7 |
2-(
3 |
4 |
5 |
6 |
4 |
7 |
3 |
4 |
5 |
6 |
3 |
4 |
5 |
6 |
5 |
6 |
▼优质解答
答案和解析
①
+
-
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 2 1 1 12 2 2+
-
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
2 3 2 2 23 3 3-
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
5 6 5 5 56 6 6
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
7 6 7 7 76 6 6-
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
5 6 5 5 56 6 6
=
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 3 1 1 13 3 3
②
-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
7 10 7 7 710 10 10-
-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 8 1 1 18 8 8-
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
3 8 3 3 38 8 8
=
-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
7 10 7 7 710 10 10-(
+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 8 1 1 18 8 8+
)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
3 8 3 3 38 8 8)
=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
7 10 7 7 710 10 10-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 2 1 1 12 2 2
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 5 1 1 15 5 5
③
+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
3 7 3 3 37 7 7+
+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
9 10 9 9 910 10 10+
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
4 7 4 4 47 7 7
=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
1 8 1 1 18 8 8-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
3 8 3 3 38 8 8
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
4 7 4 4 47 7 7+
=1+
=1
④2-(
+
)
=2-
=
.
9 10 9 9 910 10 10
=1+
=1
④2-(
+
)
=2-
=
.
9 10 9 9 910 10 10
=1
④2-(
+
)
=2-
=
.
9 10 9 9 910 10 10
④2-(
+
)
=2-
=
.
3 4 3 3 34 4 4+
)
=2-
=
.
5 6 5 5 56 6 6)
=2-
=
.
19 12 19 19 1912 12 12
=
.
5 12 5 5 512 12 12.
1 |
2 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
2 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
2 |
3 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
6 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
3 |
②
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
=
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
=
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
7 |
10 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
2 |
=
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
5 |
③
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
7 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
4 |
7 |
=-
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
1 |
8 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
8 |
37+
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
4 |
7 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
=1+
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
=1
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
9 |
10 |
④2-(
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
3 |
4 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
5 |
6 |
=2-
19 |
12 |
=
5 |
12 |
19 |
12 |
=
5 |
12 |
5 |
12 |
看了 计算下面各题,能简便运算的要...的网友还看了以下:
计算下面各题,能简便运算的要用简便方法算12+23-56710-18-3837+910+472-( 2020-04-07 …
探索:(2-1)(2+1)=22-1(2-1)(22+2+1)=23-1(2-1)(23+22+2 2020-06-22 …
广义欧几里得除法的延伸应用的一个疑点求教比如设a=169b=121求st满足sa+tb=(a,b) 2020-07-18 …
计算:(1)23-17-(-7)+(-16)(2)23+(-15)-1+13(3)-15+6÷(- 2020-07-18 …
请看下面的化简运算:23+22=2(3−22)(3+22)(3−22)=23−42(3)2+(22 2020-07-19 …
3x+14×2=46,这道方程哪种解法正确,不正确的地方在哪里?解法1:3x+14×2=463x+ 2020-07-19 …
根据乘法的运算定律填一填.(1)19×23=23×(2)35×9×2=××9(3)75×25×4=7 2020-10-30 …
四道一元一次方程的解法1.>1/3x-1=1/2x+22.>1-x-3/3=x+23.>x+2/4- 2020-10-31 …
直接写得数.19×9+19=100-2.02=30÷30%=56+23=(52+12)×13=1÷2 2020-11-19 …
人体细胞中有23对同源染色体,若对每一对同源染色体上的一对等位基因进行研究,问人体最多可以产生多少种 2021-01-12 …