Viet phan so : \(\dfrac{5}{7}\) thanh cac phan so co mau so lan luot la: 14 ; 28 ; 35 ; 105
viet so tu nhien 13 thanh cac phan so co mau so lan luot la : 3; 5 ; 10 ; 17 .
\(\dfrac{13}{5};\dfrac{13}{3};\dfrac{13}{10};\dfrac{13}{17}\)
\(\dfrac{39}{3};\dfrac{65}{5};\dfrac{130}{10};\dfrac{221}{17}\)
viet cac phan so lan luot bang 7 phan 9 va 5 phan 12 va co mau so chung la 36
viet cac phan so lan luot bang 7/9 , 5/12 va co mau so chung la 36
tick tui đi tui giải cho
viet cac phan so lan luot bang 13 phan 36 va 17 phan 24 co mau so chung la 72
\(\text{viet cac phan so lan luot bang 5/7; 4 va co mau so chung bang 7}\)
\(\dfrac{5}{7};\dfrac{28}{7}\)
1, Quy dong mau so cac phan so 5/12,2/3 , 3/4
2,viet cac phan so lan luot bang 5/12, 7/18 va co mau so chung la 36
ai lam dung truoc minh tick cho
viet cac phan so sau thanh phan so thap phan co mau so la 1000
2/3 7/125 5/100 5/8 9/200 1/10
7/125=56/1000
5/100=50/1000
5/8=625/1000
9/200=45/1000
1/10=100/1000
7/125=56/1000
5/100=50/1000
5/8=625/1000
9/200=45/1000
1/10=100/1000
hay viet 4 phan 7 thanh 3 phan phan so co mau so co mau so la 7 va 14
viet cac phan so sau thanh phan so thap phan co mau so la 1000
2/3 7/125 5/100 5/8 9/200 1/10
2/3 = (2000:3)/1000
7/125 = 56/1000
5/100= 50/1000
5/8= 625/1000
9/200=45/1000
1/10=100/1000
\(\dfrac{2}{3}\) không thể chuyển thành phân số thập phân được
\(\dfrac{7}{125}=\dfrac{56}{1000}\) ; \(\dfrac{5}{100}=\dfrac{50}{1000}\) ; \(\dfrac{5}{8}=\dfrac{625}{1000}\) ; \(\dfrac{9}{200}=\dfrac{45}{1000}\) ; \(\dfrac{1}{10}=\dfrac{100}{1000}\)