问题 解答题
直接写出得数
8
9
×
9
8
=
8
9
=
2
3
÷4=
4
5
÷
5
4
=
1
a
÷
1
b
=
1
a
×
1
b
=
b
a
×
a
b
=
b
a
÷b=
0.04:0.4=(求比值)35分米:280厘米=(求比值)
答案

8
9
×
9
8
=1,
8
9
=0,
2
3
÷4=
1
6
4
5
÷
5
4
=
16
25
1
a
÷
1
b
=
b
a
1
a
×
1
b
=
1
ab
b
a
×
a
b
=1,
b
a
÷b=
1
a
0.04:0.4=0.1,35分米:280厘米=1.25.
故答案为:1,0,
1
6
16
25
b
a
1
ab
,1,
1
a
,0.1,1.25.

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