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bn muốn tìm chu kì tí nữa mik ns sau
bay h mik lm bài 3
50,93x49,15-50,83x49,21
=\(2503,2095-2496.2095=6.4399\approx6.44\)
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1 ) Viết các số thập phân sau thành phân số tối giản :
a ) 9,12\(=9\frac{12}{100}\)\(=9\frac{3}{25}=\frac{228}{25}\)
b ) 3,04\(=3\frac{4}{100}=3\frac{1}{25}=\frac{76}{25}\)
2 ) Tính tổng :
a ) 0,( 27 ) + 0,( 72 )=0,(99)=0,(9)
b ) 0,( 54 ) + 0,( 45 )=0,(99)=0,(9)
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98/25 = 3,92
36/16 = 2,25
18/4 = 4,5
26/5 = 5,2
k mình nhoa ! ~~~
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\(\dfrac{36}{35}=1,0\left(285714\right)\)
\(\dfrac{10}{15}=\dfrac{2}{3}=0,\left(6\right)\)
\(\dfrac{5}{11}=0,\left(45\right)\)
\(\dfrac{2}{13}=0,\left(153846\right)\)
\(\dfrac{15}{82}=0,1\left(82926\right)\)
\(\dfrac{13}{22}=0,5\left(90\right)\)
\(\dfrac{1}{60}=0,01\left(6\right)\)
\(\dfrac{5}{24}=0,208\left(3\right)\)
![Phong](https://rs.olm.vn/images/avt/3.png?1311)
ta có :