问题 解答题
直接写得数.
4
5
+
2
5
=
3
5
=
8
15
×6=
7.125-
1
8
=
8.4+8=3:0.5=
3
20
=
100×0.1%=
5
6
-
1
5
=
3
8
×
4
9
=
3
7
÷
9
14
=
1÷5×
1
5
=
3
4
×
1
4
÷3=
3
5
×4+
3
5
=
2-
5
12
-
7
12
=
1
6
×5÷
1
6
×5=
答案

4
5
+
2
5
=1
1
5
3
5
=0
8
15
×6=3
1
5
7.125-
1
8
=7
8.4+8=16.43:0.5=6
3
20
=40
100×0.1%=0.1
5
6
-
1
5
=
19
30
3
8
×
4
9
=
1
6
3
7
÷
9
14
=
2
3
1÷5×
1
5
=
1
25
3
4
×
1
4
÷3=
1
16
3
5
×4+
3
5
=3
2-
5
12
-
7
12
=1
1
6
×5÷
1
6
×5=25

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