题目内容

选择合理的方法进行计算.
5
6
+
3
4
-
1
3
11
12
-(
1
6
+
1
8
)
10
19
+
7
18
-
10
19
+
11
18
4-(
3
4
-
3
8
)
7
15
-(
1
2
-
8
15
)
11-
7
10
-
3
10
.
(1)
5
6
+
3
4
-
1
3
,
=
10
12
+
9
12
-
4
12
,
=
15
12
,
=1
1
4
;

(2)
11
12
-(
1
6
+
1
8
),
=
11
12
-(
4
24
+
3
24
),
=
22
24
-
7
24
;
=
15
24
,
=
5
8
;

(3)
10
19
+
7
18
-
10
19
+
11
18
,
=(
10
19
-
10
19
)+(
7
18
+
11
18
),
=0+1,
=1;

(4)4-(
3
4
-
3
8
),
=4-(
6
8
-
3
8
),
=4-
3
8
,
=3
5
8
;

(5)
7
15
-(
1
2
-
8
15
)
,
=
7
15
+
8
15
-
1
2
,
=1-
1
2
,
=
1
2
;

(6)11-
7
10
-
3
10
,
=11-(
7
10
+
3
10
),
=11-1,
=10;
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网