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0.3:0.4,化简比

0.4:2/3=2/5÷2/3=2/5×3/2=3:5=3/5

3/4:0.2 =75:20 =15:4

0.3:0.09 =30:9 3分之+

0.6:3/4 =0.6÷3/4 =0.8

求0.3:2.4的化简比与比值。 0.3:2.4 =3:24 =1:8 =0.125

如图

0.3:0.09=10:3 4cm:20m=4cm:20*100cm=4cm:2000cm=1:500 15分:0.2小时=15分:0.2*60分=15:12=5:4

0.6:4/9 =3/5:4/9 =29:20 3千克:50克 =3000克:50克 =60:1

3:1

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