问题 解答题
1
5
×
6
125
=
6
81
÷
5
8
=
7
9
×
7
65
=
5
54
÷
2
17
=
3
5
×
4
125
=
9
81
÷
5
12
=
17
9
×
71
65
=
5
4
÷
21
17
=
答案

(1)

1
5
×
6
125
=
6
625
;(2)
6
81
÷
5
8
=
2
27
×
8
5
=
16
135
;(3)
7
9
×
7
65
=
49
585
;(4)
5
54
÷
2
17
=
5
54
×
17
2
=
85
108

(5)

3
5
×
4
125
=
12
625
;(6)
9
81
÷
5
12
=
9
81
×
12
5
=
4
15
;(7)
17
9
×
71
65
=
1207
585
=2
37
585
;(8)
5
4
÷
21
17
=
5
4
×
17
21
=

1

1
84

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