先化简,再求比值:0.9比15

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先化简,再求比值:0.9比15
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先化简,再求比值:0.9比15
先化简,再求比值:0.9比15

先化简,再求比值:0.9比15
0.9:15
= 9:15
= 3:5
= 3/5 或0.6

3比50=0.06

0.9:15 = 0.3:5 =3:50

分子分母同时乘以10
9比150
再同时除以3
3比50

依据分数的基本性质

9:150=3:50

0.9:15=9:150=3:50

0.9:15=9/10÷15=9/10×1/15=3/50

0.9 / 15
= 9 / 150
= 3 / 50