\(\dfrac{75}{180}=\dfrac{5}{12}\)

\(\dfrac{75}{180}=\dfrac{5}{12}\)

5/12

\(\dfrac{92}{100}\text{=}\dfrac{92:4}{100:4}\text{=}\dfrac{23}{25}\)

\(\dfrac{72}{180}\text{=}\dfrac{72:36}{180:36}\text{=}\dfrac{2}{5}\)

\(71.52+\frac{53}{530}.71-180=71.52+0.1.71-180=71.\left(52+0.1\right)-180=71.\frac{521}{10}-180=\frac{36991}{10}-180\)

=35191/10

bạn kia làm sai rùi

#)Giải :

= 71 . 52 + 0,1 . 71 - 180

= 71( 52 + 0,1 ) - 180

= 3699,1 - 180

= 3519,1

          #~Will~be~Pens~#

Trả lời :

71.52 + 53/530 .71 - 180

= 71.52 + 0,1.71 - 180

= 71.( 52 + 0,1 ) - 180

= 71 . 52,1 - 180

= 3699,1 - 180

= 3519,1

~ Thiên Mã ~

Bài làm

71.52+53/530.71-180

=71.(52+0,1)-180

=71.52,1-180

=3699,1-180

=3519,1

Học tốt nha

180/270=2/3

216/225=24/25

\(\frac{180}{270}=\frac{180:90}{270:90}=\frac{2}{3}\)

\(\frac{216}{225}=\frac{216:9}{225:9}=\frac{24}{25}\)

~Học tốt~

\(\frac{180}{270}=\frac{180:90}{270:90}=\frac{2}{3}\)

\(\frac{216}{225}=\frac{216:9}{225:9}=\frac{24}{25}\)

Hok toots !!

a,\(\dfrac{180}{270}=\dfrac{180:90}{270:90}=\dfrac{2}{3}\)

b,\(\dfrac{216}{225}=\dfrac{216:9}{225:9}=\dfrac{24}{25}\)

Chúc bạn học tốt!

a. 2/3

b. 72/75 (nhìn số này em mà cảm giác nó hơi sai thì chị chịu)

a,\(\dfrac{2}{3}\)

b,\(\dfrac{24}{25}\)

\(\dfrac{45}{63}=\dfrac{9\text{×}5}{9\text{×}7}=\dfrac{5}{7}\)

\(\dfrac{45}{63}=\dfrac{45:9}{63:9}=\dfrac{5}{7}\)

5/7 nha

a: \(=\dfrac{2^{12}\cdot3^{14}}{3^{12}\cdot2^{12}}=3^2=9\)

b: \(=\dfrac{7^3\cdot2\cdot5^3}{5^2\cdot7^2\cdot6}=7\cdot5\cdot\dfrac{1}{3}=\dfrac{35}{3}\)

d: =2^5(2^8+1)/2^2(2^8+1)=2^3=8

c: \(=\dfrac{5^3\cdot3^6\cdot2^8\cdot5^4\cdot3^4\cdot2^2}{2^{10}\cdot3^{10}\cdot5^5}=5^2\)

28/42=2/3

60/135=4/9

288/180=8/5

`28/42 = (28:14)/(42:14) = 2/3`

`60/135 = (60:15)/(135 : 15)=4/9`

`288/180 = (288:36)/(180:36) = 8/5`