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= ( 101 x 37 x 50 - 101 x 50 x 36 ) : ( 1 + 2 + 3 + ............. + 100 )
= ( 101 x 1850 - 101 x 1800 ) : ( 1 + 2 + 3 + ............. + 100 )
= [ 101 x ( 1850 - 1800 )] : ( 1 + 2 + 3 + ............. + 100 )
= [ 101 x 50 ] : ( 1 + 2 + 3 + ............. + 100 )
= 5050 : 5050
= 1
T - I - C - K mk nha
chúc bạn học tốt ~
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
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\(\frac{3737}{5353}=\frac{37}{53}\)
\(\frac{373737}{535353}=\frac{37}{53}\)
Vì \(\frac{37}{53}=\frac{37}{53}\)nên \(\frac{3737}{5353}=\frac{373737}{535353}\)
Ta có:
\(\frac{3737}{5353}=\frac{37x101}{53x101}=\frac{37}{53}\)
\(\frac{373737}{535353}=\frac{37x10101}{53x10101}=\frac{37}{53}\)
Vì \(\frac{37}{53}=\frac{37}{53}\)
=> \(\frac{3737}{5353}=\frac{373737}{535353}\)
ỦNG HỘ NHA
![](https://rs.olm.vn/images/avt/0.png?1311)
1 + 2946- 484857 - 384+ 56382947274- 48427528528 + 3737 - 4920645 + 44577
= 1 + 2946
= 2947 - [ 4457 - 384 ]
= 2947 - 4073
= - 1126
.............
= ......
chiu dai quaaa