423134.846267-423133:846267.423133+423134
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\(\frac{423134.846267-423133}{846267.423133+423134}\)
Xét tử số : 423134.846267-423133
= (423133+1).846267-423133
= 423133.846267+846267-423133
=423133.846267+ 423134
Ta có : \(\frac{423133.846267+423134}{846267.423133+423134}\)=1
\(\frac{423134,846267-423133}{423133,846267+423134}=\frac{1,846267}{846267,8463}\)
\(\frac{423134.846267-423133}{423133.846267+423134}=\frac{\left(423133+1\right).846267-423133}{423133.846267+423134}=\frac{423133.846267+846267-423133}{423133.846267+423134}\)
\(=\frac{423133.846267+423134}{423133.846267+423134}=1\)
\(\dfrac{423134.846267-423133}{846267.423133+423134}.\)
\(=\dfrac{\left(423133+1\right).846267-423133}{846267.423133+423134}.\)
\(=\dfrac{423133.846267+\left(846267-423133\right)}{846267.423133+423134}.\)
\(=\dfrac{423133.846267+423134}{846267.423133+423134}=1.\)
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