rút gọn phân số 132/462
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\(\dfrac{132}{143}=\dfrac{132:11}{143:11}=\dfrac{12}{13}\)
`143/132=(143:11)/(132:11)=13/12`
`3535/3737=(3535:101)/(3737:101)=35/37`
\(\dfrac{132}{462}=\dfrac{132:66}{462:66}=\dfrac{2}{7}\)
132/462=2/7