Toán Lớp 5: 1995/1996 1996/1997 2121/3737 212121/373737

Question

Toán Lớp 5:  1995/1996    1996/1997 2121/3737      212121/373737

thucquyenlan · Answer

a)    - So s&aacute;nh:   1995/1996 v&agrave; 1996/1997   1 - 1995/1996 = 1/1996   1 - 1996/1997 = 1/1997   - V&igrave;: 1/1996 > 1/1997, n&ecirc;n 1995/1996 > 1996/1997    b)    - So s&aacute;nh:   2121/3737 v&agrave; 212121/373737   - R&uacute;t gọn ta c&oacute;: 2121/3737 = 21/37 v&agrave; 212121/373737 = 21/37   - V&igrave;: 21/37 = 21/37, n&ecirc;n 2121/3737 = 212121/373737   @ Rin gửi   - Xin hay nhất ạ!

ngocle44 · Answer

text {Mon}   _Ta c&oacute;: 1-1995/1996=1/1996 ; 1-1996/1997=1/1997   V&igrave; 1/1996>1/1997 n&ecirc;n 1995/1996<1996/1997   _Ta c&oacute;:$ dfrac{2121}{3737}$ =$ dfrac{2121:101}{3737:101}$= $ dfrac{21}{37}$              $ dfrac{212121}{373737}$ =$ dfrac{212121:10101}{373737:10101}$= $ dfrac{21}{37}$    V&igrave; $ dfrac{21}{37}$ =$ dfrac{21}{37}$ &rArr;$ dfrac{2121}{3737}$=$ dfrac{212121}{373737}$