| 1 |
| 14 |
| 3 |
| 14×3 |
=
| 2 |
| 14×3 |
| 1 |
| 14×3 |
=
| 1 |
| 21 |
| 1 |
| 42 |
=
| 1 |
| 21 |
| 2 |
| 42×3 |
| 1 |
| 42×3 |
=
| 1 |
| 21 |
| 1 |
| 63 |
| 1 |
| 126 |
=
| 1 |
| 21 |
| 1 |
| 63 |
| 2 |
| 126×3 |
| 1 |
| 126×3 |
=
| 1 |
| 21 |
| 1 |
| 63 |
| 1 |
| 189 |
| 1 |
| 378 |
故答案为：21，63，189，378．
在括号里填上不同的自然数．1/14=1/( )+1/( )+1/( )+1/( )．
在括号里填上不同的自然数．
=
+
+
+
．
| 1 |
| 14 |
| 1 |
| ( ) |
| 1 |
| ( ) |
| 1 |
| ( ) |
| 1 |
| ( ) |
数学人气：289 ℃时间：2019-08-08 17:59:56
优质解答
=
=
=
=
=
=
故答案为：21，63，189，378．
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