so 2,(8) duoc viet duoi dang phan so
viet so 2,(18) duoi dang phan so toi gian ta duoc
phan so nao duoc viet duoi dang phan so huu han
A.5/12
B.3/11
C.1/14
D.15/30
Viet cac so sau duoi dang phan so:
a, 2,(14) b,-2,(15)
c,-4,3(2) d,0,14(8)
Tim cac so nguyen to a, b co 1 chu so de so x bang 5 x a phan 6 x b viet duoc duoi dang:a, so thap phan huu hanb, so thap phan vo han tuan hoanviet so 3.(18) duoi dang phan so toi gian ta duoc
viet so 0.(5) duoi dang phan so toi gian la
số 2,3(15) dc viet duoi dang hon so
1/7 viet duoi dang so thap phan la may
viet 1.(5) duoi dang phan so toi gian ta duoc ket qua ?