1 :3.14 16 :12.56 4 :6.28 9 :9.42 化简这4个比.

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1 :3.14 16 :12.56 4 :6.28 9 :9.42 化简这4个比.
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1 :3.14 16 :12.56 4 :6.28 9 :9.42 化简这4个比.
1 :3.14
16 :12.56
4 :6.28
9 :9.42
化简这4个比.

1 :3.14 16 :12.56 4 :6.28 9 :9.42 化简这4个比.
1/3.14=100/314=50/157
16/12.56=200/157
4/6.28=100/157
9/9.42=150/157