\(\frac{2}{4}+\frac{2}{6}+\frac{2}{12}+\frac{2}{24}+\frac{2}{48}+\frac{2}{96}+\frac{2}{192}=\frac{37}{32}\)
Tick mình nha!
\(\frac{2}{4}+\frac{2}{6}+\frac{2}{12}+\frac{2}{24}+\frac{2}{48}+\frac{2}{96}+\frac{2}{192}=\frac{37}{32}\)
Tick mình nha!
tinh nhanh 4 phan 5 cong 2 phan 7 cong 11 phan 5 cong 12 phan 7 cong 1 phan 5
4 cong x cong 3 phan 4 bang 17 phan 2
4 cong x cong 3 phan 4 bang 17 phan 2
1 phan 6 cong 3 phan 4 cong 1 phan 8
1phan 2 cong 1 phan 3 cong 1 phan 5 bang bao nhieu
Trung binh cong cua 2 phan so = 7/8 Nếu tang phan so thu hai len gap 3 lan thi trung binh cong cua chung =17/8 Tim 2 phan so do
Tim mot phan so biet rang neu cong them 4 vao tu so va giu nguyen mau so thi phan so moi bang 1,neu cong them 3 vao mau so va giu nguyen tuso thi duoc phan so moi bang 1/2
Cho phan so 3 phan 7.Neu cong them vao tu so va mau so do voi cung mot so tu nhien thi duoc mot phan so moi bang phan so 2 phan 3.Tim hai phan so do.
Cho phan so 3 phan 7.Neu cong them vao tu so va mau so cua phan so do voi cung mot so tu nhien thi duoc mot phan so moi bang phan so 2 phan 3.Tim hai so do.