化简下列各比.
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=1:6, 12:48, =(12÷12):(48÷12), =1:4; 3.5:0.07, =(3.5×100):(0.07×100), =350:7; =(350÷7):(7÷7), =50:1; 1米:0.25厘米, =100厘米:0.25厘米, =100:0.25, =(100×100):(0.25×100), =10000:25, =(10000÷25):(25÷25), =400:1. |
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a.25:125