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let
x=0.02323... (1)
100x=2.32323... (2)
(1)-(2)
99x = 2.3
x=23/990
-------------
0.1232323...
=0.1 +0.02323...
=0.1+x
=1/10 + 23/990
=122/990
=61/495
x=0.02323... (1)
100x=2.32323... (2)
(1)-(2)
99x = 2.3
x=23/990
-------------
0.1232323...
=0.1 +0.02323...
=0.1+x
=1/10 + 23/990
=122/990
=61/495
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展开全部
0.123的23循环
=0.1+0.023 23的循环
=1/10+23/990
=99/990+23/990
=122/990
=61/495
=0.1+0.023 23的循环
=1/10+23/990
=99/990+23/990
=122/990
=61/495
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