Các câu hỏi tương tự
viet cac so nguyen sau dui dang 10^n-1/9
a,1111111
b,111.....1(100 chu so 1)
10^n+2/3
a,333334
b,333....3334(100 chu so 3)
Cho so -a=\(\frac{978654320}{\left(n^2-n\right)\left(n-1\right)+1236}\)
Hoi a viet duoc duoi dang STP huu han hay vo han tuan hoan
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 hoan
viet bieu thuc sau duoi dang a^n voi a thuoc Q va n thuoc Z : 2^2.9.1/54.(4/9)^2
viet cac so 2mu27 va 3mu18 duoi dang cac luy thua co so mu la 9
viet so a=(9/11-0.81)^2018 duoi dang so thap phan.tim chu so thap phan thu 4000 sau dau phay
viet 3.(1) duoi dang phan so
để 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)
1/7 viet duoi dang so thap phan la may