问题 解答题
直接写得数.
3
4
-
2
3
=
6
7
×
7
9
=
5
11
×44=
11
12
÷22=
4.5×10%=
4
3
÷
2
3
=
5
8
÷
5
12
=
7
4
-1.25=
1.5+
3
2
=
1
4
X-
1
6
X=
答案

3
4
-
2
3
=
1
12
6
7
×
7
9
=
2
3
5
11
×44=20,
11
12
÷22=
1
24
4.5×10%=0.45,
4
3
÷
2
3
=2,
5
8
÷
5
12
=
3
2
7
4
-1.25=0.5,
1.5+
3
2
=3,
1
4
X-
1
6
X=
1
12
X.

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