所以10x=5+x,化简得9x=5,解得x= ,即 =
例2:将 化成分数,可设x= ,那么100x= ,而 =53+ ,所以100x=53+x,化简得99x=53,解得x= ,即 =
例3:将 化成分数,可设x= ,那么1000x= ,而
=503+ ,所以1000x=503+x,化简得999x=503,解得x= ,
所以 =0.1+ ,而0.1+ = ,所以 =
仔细阅读例题并填空:
① = ② =
③ = ④ =
⑤ = ⑥ =
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