题目内容

直接写出得数.
4.6+3.2=2.5×40=0.43×3=0÷5.8=
1
15
+
2
5
=
1
5
-
1
6
=
3
20
+
9
10
=
3
22
×
11
12
=
4.6+3.2=7.8,2.5×40=100,0.43×3=1.29,0÷5.8=0,
1
15
+
2
5
=
7
15
1
5
-
1
6
=
1
30
3
20
+
9
10
=
21
20
3
22
×
11
12
=
1
8
故答案为:7.8,100,1.29,0,
7
15
1
30
21
20
1
8
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