\(Rutgon:\frac{2929-101}{2.1919+404}\)
Giúp minh voi minh tick cho
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\(\frac{2929-101}{2.1919+404}\)
\(=\frac{101.\left(29-1\right)}{101\left(2.19+4\right)}\)
\(=\frac{28}{38+4}\)
\(=\frac{28}{42}\)
\(=\frac{2}{3}\)
Ta có :
\(\frac{2929-101}{2.1919+404}\)
\(=\frac{29.101-101}{2.19.101+4.101}=\frac{101\left(29-1\right)}{101\left(2.19+4\right)}=\frac{28}{38+4}=\frac{28}{42}=\frac{2}{3}\)
Ủng hộ mk nha !!! ^_^

\(\frac{101.29-101.1}{2.101.19+101.4}\)
\(=\frac{101.\left(29-1\right)}{101.\left(2.19+4\right)}\)
\(=\frac{28}{38+4}\)
\(=\frac{28}{42}=\frac{2}{3}\)

\(\frac{2929-101}{2.1919+404}=\frac{29.101-101}{2.19.101+101.4}=\frac{101.\left(29-1\right)}{101.\left(2.19+4\right)}=\frac{28}{42}=\frac{2}{3}\)

2929-101
___________
2.1919+404
2929-101*1
=_____________
2.1919+101*4
2929-1*1
=____________
2.1919+1*4
2929-1
=__________
2.1919+4
2928
=_____
6.1919

\(\frac{2929-101}{2.1919+404}=\frac{29.101-101}{2.19.101+4.101}=\frac{28.101}{42.101}=\frac{2}{3}\)

\(\frac{13.\left(2929-101\right)}{2.1919+404}=\frac{13\left(101.29-101\right)}{2.101.19+101.4}=\frac{13.101\left(29-1\right)}{2.101\left(19+2\right)}=\frac{13.28}{2.21}=\frac{13.2}{3}=\frac{26}{3}\)


\(B=\frac{2929-101}{2.1919+404}\)
\(B=\frac{29.101-101}{38.101+4.101}\)
\(B=\frac{101.\left(29-1\right)}{101.\left(38+4\right)}\)
\(B=\frac{2}{3}\)

101x29-101
2x19x101+101x4
101x(29-1)
101x(2x19+4)
101x28
101x42
28
42
2
3
\(\frac{2929-101}{2.1919+404}=\frac{2828-101}{3838+404}=\frac{2727}{4242}=\frac{9}{14}\)