问题标题:
做50个化简比的算式,急,
问题描述:

做50个化简比的算式,急,

汤建彬回答:
  20.5:5020*5:3.5*910:12.53980.9.854.6:321052:87467:46.71.1:1312:692.2:4045:96.33:369552.9:27.42.5:40.592:26456:46/265624:20*8.534...
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