Tính nhanh : 232323 . 474747 - 4747 . 232323 .
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{77}{176}=\frac{77:11}{176:11}=\frac{7}{16}\) ; \(\frac{232323}{474747}=\frac{232323:10101}{474747:10101}=\frac{23}{47}\)
\(\frac{376376}{159159}=\frac{376376:1001}{159159:1001}=\frac{376}{159}\) ; \(\frac{9\cdot8\cdot5}{24\cdot15}=\frac{9\cdot8\cdot5}{8\cdot3\cdot3\cdot5}=\frac{9\cdot8\cdot5}{8\cdot9\cdot5}=1\)
\(\frac{9.8.5}{24.15}\)
\(=\frac{9.8.5}{8.3.3.5}\)
\(=1\)
![](https://rs.olm.vn/images/avt/0.png?1311)
232323/474747 = 232323/474747 : 11/11 = 23/47
376376/159159 = 376376/159159 : 1001/1001 = 376/159
232323/474747=232323:10101/474747:10101=23/47
376376/159159=376376:1001/159159:1001=376/159
![](https://rs.olm.vn/images/avt/0.png?1311)
\(=\frac{373737}{474747}+\frac{5757}{4747}\)
\(=\frac{37}{47}+\frac{57}{47}\)
\(=\frac{94}{47}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{373737}{474747}+\frac{5757}{4747}\)
\(=\frac{373737\div10101}{474747\div10101}+\frac{5757\div101}{4747\div101}\)
\(=\frac{37}{47}+\frac{57}{47}\)
\(=\frac{94}{47}\)\(=2\)
Học tốt~
![](https://rs.olm.vn/images/avt/0.png?1311)
\(232323-232323=0\)
k mình nha Thank you !
Bạn nào cần bạn thì kết bạn nha
![](https://rs.olm.vn/images/avt/0.png?1311)
37*10101 / 47*10101 + 57*101 / 47*101
= 37 / 47 + 57 /47
= ( 37 + 57 ) / 47 = 2
232323 . 474747 - 4747 . 232323
= 232323 . ( 474747 - 4747 )
= 232323 . 470000
= 109191810000
232323*474747-4747*232323
=232323*(474747-4747)
=232323*470000
=109191810000
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