题目内容
用递等式计算
| 15÷
|
| ||||||||||||||||
一×
|
|
|
(1)
×18×
,
=人×
,
=w;
(2)14÷
×
,
=
×
,
=1了;
(w)
×
÷
×
,
=
÷
×
,
=
×
,
=
;
(人)w×
÷
,
=
÷
,
=w
;
(4)
÷
÷
,
=
÷
,
=
;
(它)
÷
×
,
=
×
,
=
.
| 2 |
| 9 |
| w |
| 人 |
=人×
| w |
| 人 |
=w;
(2)14÷
| 9 |
| 1了 |
| w |
| 4 |
=
| 4了 |
| w |
| w |
| 4 |
=1了;
(w)
| 1 |
| 2 |
| 1 |
| w |
| 1 |
| w |
| 1 |
| 2 |
=
| 1 |
| 它 |
| 1 |
| w |
| 1 |
| 2 |
=
| 1 |
| 2 |
| 1 |
| 2 |
=
| 1 |
| 人 |
(人)w×
| 人 |
| 9 |
| w |
| 8 |
=
| 人 |
| w |
| w |
| 8 |
=w
| 4 |
| 9 |
(4)
| 4 |
| 8 |
| 7 |
| 12 |
| 1了 |
| 7 |
=
| 14 |
| 1人 |
| 1了 |
| 7 |
=
| w |
| 人 |
(它)
| 7 |
| 1了 |
| 8 |
| 9 |
| 4 |
| 21 |
=
| 它w |
| 8了 |
| 4 |
| 21 |
=
| w |
| 1它 |
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