vì a,b là hai số lẻ lt
->b=a+2
ta có1/a-1/b=2/99
->1/a+1/(a+2)=2/99
->2/[a(a+2)=2/99
->a(a+2)=99
mà a và a+2 là 2 số lẻ lt
mà 99 phân tích thành tích 2 số lẻ lt chỉ có 99=9×11
->a=9
khi đó b=11
vậy a=9,b=11
k mk nha
a = 9 b=11 CHUẨN VÃI lollllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll . Đúng vãi 100 phần trăm luôn . trololololoolololololololololololololololollllllllllllllllllllllllllllll
vì a,b là hai số lẻ lt
->b=a+2
ta có1/a-1/b=2/99
->1/a+1/(a+2)=2/99
->2/[a(a+2)=2/99
->a(a+2)=99
mà a và a+2 là 2 số lẻ lt
mà 99 phân tích thành tích 2 số lẻ lt chỉ có 99=9×11
->a=9
khi đó b=11
vậy a=9,b=11
k mk nha
