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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
+
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=-
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37+
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=1+
=1
④2-(
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)
=2-
=
.
1 2 1 1 12 2 2+
-
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
+
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=-
-
37+
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=1
④2-(
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=2-
=
.
2 3 2 2 23 3 3-
=
-
=
②
-
-
=
-(
+
)
=
-
=
③
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=-
-
37+
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=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
-
-
=
-(
+
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=
-
=
③
+
+
=-
-
37+
+
=1+
=1
④2-(
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=2-
=
.
1 3 1 1 13 3 3
②
-
-
=
-(
+
)
=
-
=
③
+
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=-
-
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
+
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=-
-
37+
+
=1+
=1
④2-(
+
)
=2-
=
.
7 10 7 7 710 10 10-(
+
)
=
-
=
③
+
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=-
-
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 |
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1、写出6个正整数,使得它们中的每一个都是不为1的完全平方数的倍数,请说明计算方法2、求满足下列条 2020-08-03 …
哪位聪慧善良的人能帮我归纳一下高一地理第一章第三节地球的运动的知识要点和例题讲解?尤其是1.有关经纬 2020-11-24 …
求这题的五年级巧算方法!2.1乘10.5的积减7.625与2.5的商一定要巧算,还要注意,我是小学生 2021-01-20 …