问题 解答题
直接写得数.
5
6
×24=
3
7
=
5
28
=
4
9
×3=
2
9
÷
2
9
=
4
7
÷4=
1
3
=
4
9
+
2
3
)×9=
18×
1
3
=
5
8
×
1
5
×8=
答案

5
6
×24=20;
3
7
=
7
3
5
28
=
5
4
4
9
×3=
4
3
2
9
÷
2
9
=1;
4
7
÷4=
1
7
1
3
=9;
4
9
+
2
3
)×9=10;
18×
1
3
=6;
5
8
×
1
5
×8=1.

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