题目内容

直接写出得数.
1
3
+
2
5
=
2
3
-
2
5
=
3
4
+
3
8
=
1
2
+
1
6
=
3
5
×
7
9
=
12
7
×
14
15
=
4
7
÷
8
14
=
5
9
÷
5
6
=
1.5×0.4=10÷2.5=2.4×5=0.78÷1.3=

1
3
+
2
5
=
11
15
2
3
-
2
5
=
4
15
3
4
+
3
8
=
9
8
1
2
+
1
6
=
2
3

3
5
×
7
9
=
7
15
12
7
×
14
15
=
8
5
4
7
÷
8
14
=1,
5
9
÷
5
6
=
2
3

1.5×0.4=0.6,10÷2.5=4,2.4×5=12,0.78÷1.3=0.6.
故答案为:
11
15
4
15
9
8
2
3
7
15
8
5
,1,
2
3
,0.6,4,12,0.6.
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