把下列各比化成最简整数比: ①0.35:0.49:1.4

2025-06-27 11:54:23
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回答1:

=(0.35x100):(0.49x100):(1.4x100) =35:49:140 =(35➗7):(49➗7):(140➗7) =5:7:20