题目内容

直接写出得数:
3.04+2.6=______;
568-199=______;
0.65÷1.3=______;
1
2
÷4×
1
2
=______;
7
20
÷
14
15
=______;
5
12
×
3
10
=______;
7
15
-
1
10
=______;
72×(
1
8
-
1
9
)=______.
3.04+2.6=5.64;568-199=369;
0.65÷1.3=0.5;
1
2
÷4×
1
2
=
1
4
7
20
÷
14
15
=
3
8
5
12
×
3
10
=
1
8
7
15
-
1
10
=
11
30
72×(
1
8
-
1
9
)=1.
故答案为:5.64,369,0.5,
1
4
3
8
1
8
11
30
,1.
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