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口算、心算我最棒.16+14=47+18=415+15=0+79=47+37+37=38+14=6+56=1-23=56+56=25-16=

题目详情
口算、心算我最棒.
1
6
+
1
4
=
4
7
+
1
8
=
4
15
+
1
5
=
0+
7
9
=
4
7
+
3
7
+
3
7
=
3
8
+
1
4
=
6+
5
6
=
1-
2
3
=
5
6
+
5
6
=
2
5
-
1
6
=
▼优质解答
答案和解析
1
6
+
1
4
=
5
12
4
7
+
1
8
=
39
56
4
15
+
1
5
=
7
15
0+
7
9
=
7
9
4
7
+
3
7
+
3
7
=1
3
7
3
8
+
1
4
=
5
8
6+
5
6
=6
5
6
1-
2
3
=
1
3
5
6
+
5
6
=
5
3
2
5
-
1
6
=
7
30
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