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7÷9=()()527=()()=5()21621=12()=()7

题目详情
7÷9=
(  )
(  )
5
2
7
=
(  )
(  )
=5
(  )
21
6
21
=
12
(  )
=
(  )
7
7÷9=
(  )
(  )
5
2
7
=
(  )
(  )
=5
(  )
21
6
21
=
12
(  )
=
(  )
7
7÷9=
(  )
(  )
5
2
7
=
(  )
(  )
=5
(  )
21
6
21
=
12
(  )
=
(  )
7
7÷9=
(  )
(  )
(  )
(  )
(  )
(  )
(  )(  )(  )(  )5
2
7
=
(  )
(  )
=5
(  )
21
2
7
=
(  )
(  )
=5
(  )
21
2
7
2277
(  )
(  )
=5
(  )
21
(  )
(  )
(  )(  )(  )(  )
(  )
21
(  )
21
(  )(  )2121
6
21
=
12
(  )
=
(  )
7
6
21
=
12
(  )
=
(  )
7
6
21
662121
12
(  )
=
(  )
7
12
(  )
1212(  )(  )
(  )
7
(  )
7
(  )(  )77
▼优质解答
答案和解析
(1)7÷9=
7
9

(2)5
2
7
=
37
7
=5
6
21

(3)
6
21
=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
7
9
777999;
(2)5
2
7
=
37
7
=5
6
21

(3)
6
21
=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
2
7
222777=
37
7
=5
6
21

(3)
6
21
=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
37
7
373737777=5
6
21

(3)
6
21
=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
6
21
666212121;
(3)
6
21
=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
6
21
666212121=
12
42
=
2
7

故答案为:
7
9
37
7
,6,42,2.
12
42
121212424242=
2
7

故答案为:
7
9
37
7
,6,42,2.
2
7
222777.
故答案为:
7
9
37
7
,6,42,2.
7
9
777999,
37
7
,6,42,2.
37
7
373737777,6,42,2.