Ta có:\(\frac{36}{69}=\frac{36:3}{69:3}=\frac{12}{23}\)
\(\frac{36}{69}=\frac{36x2}{69x2}=\frac{72}{138}\)
\(\frac{36}{69}=\frac{36x3}{69x3}=\frac{108}{207}\)
Ta có:\(\frac{36}{69}=\frac{36:3}{69:3}=\frac{12}{23}\)
\(\frac{36}{69}=\frac{36x2}{69x2}=\frac{72}{138}\)
\(\frac{36}{69}=\frac{36x3}{69x3}=\frac{108}{207}\)
cho ba phan so 1/3,36/96,12/18 hay tim cho moi phan so da cho ba phan so khac nhau bang gia tri cua no
Cho phan so 67 phan 91.Hay tim 1 so tu nhien sao cho khi dem tu va mau so cua phan so da cho tru di so do ta duoc phan so moi co gia tri bang 1 phan 7. So tu nhien can tim la : ...
tim mot phan so biet tong cua tu so va mau so cua phan so do bang 162 va biet phan so do co gia tri bang 4/5
tim phan so do
Tim mot phan so biet tong cua tu so va mau so cua phan so do bang 162 va biet phan so do co gia tri bang 4/5
Cho Phan so 14/26.hay tim 1 so de khi cung thêm so do vào tu so va mau so cua Phan so da cho thi đuợc phạm so co gia tri bang 6/9
Cho phan so 27/43 hay tim mot so tu nhien sao cho khi lay tu so cua phan so tru di so do va lay mau so cua phan so cong voi phan so do thi duoc phan so moi co gia tri bang2/5
ghi them loi giai!!
khan cap
Cho ps 234/369' tim mot so tu nhien sao cho ts va ms cua Phan so da cho cung tru đi so do thi duoc Phan so moi co gia tri bang Phan so 5/8.
cho phan so 45/67.Tim so tu nhien m sao cho bot di m o tu so va them m vao mau so cua phan so do ta duoc phan so co gia tri bang 5/9
cho phan so 13 phan 27,hay tim mot so tu nhien sao cho khi cong tu so voi so do va giu nguyen mau so ta duoc phan so moi co gia tri bang 7 phan 9,lam ntn vay binh