\(2,\left(8\right)=2+0,\left(8\right)=2+\frac{8}{9}=\frac{26}{9}\)
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\(2,\left(8\right)=2+0,\left(8\right)=2+\frac{8}{9}=\frac{26}{9}\)
viet so 2,(18) duoi dang phan so toi gian ta duoc
so 2,3(15) duoc viet duoi dang phan so la ....
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 hoanđể viet so 0,0(3)duoi dang phan so ta lam nhu sau:
theo cach tren hay viet cac so thap phan sau day duoi dang phan so :
0,0(8); 0,1(2); 0,1(23)
viet so 3.(18) duoi dang phan so toi gian ta duoc
viet 1.(5) duoi dang phan so toi gian ta duoc ket qua ?
phan so nao duoc viet duoi dang phan so huu han
A.5/12
B.3/11
C.1/14
D.15/30
viet so thap phan 0,1(2) va o,1(23) duoi dang phan so
so 1,2(25) duoc viet duoi dang phan so toi gian voi mau bang :
A,99
B,990
C,999
D,1000