a, 48 = 24.3
b,98 = 2.72
c,100= 22.52
d,120=23.3.5
a, 48 = 24.3
b,98 = 2.72
c,100= 22.52
d,120=23.3.5
phan tich cac so sau ra thua so nguyen to , tu do cho bet cac uoc la so nguyen to , cac uoc so la hop so , so do co bao nhieu uoc ?
cac ban giai nhanh len tui can gap ?
cho B la mot so tu nhien .Biet B =tich cua axby ; a,b la cac so nguyen to khac nhau ;x,y la cac so tu nhien khac 0 . B2co 15 uoc Hoi B3co bao nhieu uoc
cho a la 1 hop so, khi phan tich ra thua so nguyen to chi chua hai thua so nguyen to khac nhau la P 1 va P 2. biet a^3 co tat ca 40 uoc. Hoi a ^2 co bao nhieu uoc
cho so tu nhien co tat ca 3 uoc so nguyen to.Tap hop cac uoc cua so do co so phan tu la
phan tich cac so sau ra thua so nguyen to roi tim tap hop cac uoc cua moi so do 78;70
3)tim hai so tu nhien lien tiep co tich bang 1190
a, tim so tu nhien trong khoang tu 100 den 300 biet rang so do chia cho 4 cho 5 cho 6 deu du 2 nhung so do lai chia het cho 11
b, dung ba chu so 1 ; 2 ; 3 hay viet tat ca cac so tu n hien co ba chu so ma cac chu so khac nhau , chung to rang tat ca cac so tu nhien do dau la hop so
c, tim so tu nhien nho nhat cho bon chu so giong nhau biet rang so do co dung ba uoc deu la o nguyen to
Cho a la mot hop so.biet khi phan tich ra thua so nguyen to thi a chi chua 2 thua so nguyen to la p1 va p2. Biet a mu 3 co tat ca 40 uoc tu nhien.
Hoi a mu 2 co bao nhieu uoc tu nhien.
Ai giai nhanh minh tick.giai ra nhe
cho cac so nguen : a = 10 , b = -18
a) viet tap hop cac uoc cua a , cac uoc cua b
b) viet tap hop cac so nguyen vua la uoc cua a vua la uoc cua b
c) viet tap hop cac so nguyen vua la boi cua a vua la boi cua b
cho a la mot hop so ,khi phan tich ra thua so nguyen to chi chua 2 thua so nguyen to khac nhau la p1 va p2.biet a3 co tat ca 40 uoc hoi a2co bao nhieu uoc