六分之一:九分之二
=(1/6)×18:(2/9)×18
=3:4;
0.2:八分之三
=(1/5):3/8
=(1/5)×40:(3/8)×40
=8:15;
8.5:34
=8.5×2:34×2
=17:68
=1:4;
0.45:0.3
=0.45×100:0.3×100
=45:30
=3:2;
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六分之一:九分之二
=(1/6)×18:(2/9)×18
=3:4;
0.2:八分之三
=(1/5):3/8
=(1/5)×40:(3/8)×40
=8:15;
8.5:34
=8.5×2:34×2
=17:68
=1:4;
0.45:0.3
=0.45×100:0.3×100
=45:30
=3:2;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,