题目内容

口算:
5
6
-
3
4
=
2
3
+
3
5
=
4.8+
1
5
=
4
3
÷
3
4
=
0.25×
4
15
×8
=
13
1
2
×9+13
1
2
=
4
9
÷7+
5
9
×
1
7
=
1.25×32×0.25=24×(
7
8
-
5
6
)
=
5
6
-
3
4
=
1
12
2
3
+
3
5
=
19
15
4.8+
1
5
=5,
4
3
÷
3
4
=
16
9
0.25×
4
15
×8
=
8
15
13
1
2
×9+13
1
2
=135,
4
9
÷7+
5
9
×
1
7
=
1
7
1.25×32×0.25=10,24×(
7
8
-
5
6
)
=1.
故答案为:
1
12
19
15
,5,
9
16
8
15
,135,
1
7
,10,1.
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