Question

[Nguyễn Thế Trường]

5/9x2/7=     2/3+5/6=

5+9/14=      6/54:8=

5-13/17=     3:9/10=

24/72-202/909=    9/11:5/13

mình cần gấp lắm

Answer 1

[✰๖ۣۜŠɦαɗøω✰]

Ta có :

\(\frac{5}{9}\times\frac{2}{7}=\frac{10}{63};\frac{2}{3}+\frac{5}{6}=\frac{3}{2}\)               \(5-\frac{13}{17}=\frac{72}{17};\frac{9}{11}:\frac{5}{13}=\frac{117}{55}\)

\(5+\frac{9}{14}=\frac{79}{14};\frac{6}{54}:8=\frac{1}{72}\)               \(\frac{24}{72}-\frac{202}{909}=\frac{1}{9};\frac{9}{11}:\frac{5}{13}=\frac{117}{55}\)

Học tốt nha !

#Sơn#

Answer 2

[✰Ťøρ ²⁷ Ťɾїệʉ Vâɳ ŇD✰]

5/9\(\times\)2/7=10/63

2/3+5/6=4/6+5/6=9/6=3/2

5+9/14=70/14+9/14=79/14

6/54:8=1/9:8=1/9\(\times\)1/8=1/72

5-13/17=85/17-13/17=72/17

3:9/10=3\(\times\)10/9=30/9=10/3

24/72-202/909=1/9

9/11:5/13=9/11\(\times\)13/5=117/55