Viet cac phan so sau duoi dang phan so:
a/ 2,(7)
b/ 1,(15)
c/ 3,1(3)
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)
tim cac so tu nhien n de cac phan so sau viet duoc duoi dang phan so thap phan:a,n+2/300 b,11.(n-1)/924
viet cac so do duoi dang so thap phan
a. 1 phan 4 gio
2 phan 3 phut
2 phan 5 gio
b. 3 phan 4 kg
7 phan 10 m
3 phan 5 km
a.\(\frac{1}{4}giờ=0,25giờ\)
\(\frac{2}{3}phút=0,666phút\)
\(\frac{2}{5}giờ=0,4giờ\)
b.\(\frac{3}{4}kg=0,75kg\)
\(\frac{7}{10}m=0,7m\)
\(\frac{3}{5}km=0,6km\)
Cho cac so thap phan vo han tuan hoan duoc viet duoi dang chu ki sau: 0,(35); 1,235; 1,2(51)
Hay viet chung duoi dang phan so.
\(0,\left(35\right)=\frac{35}{99}.\)
\(1,235=\frac{247}{200}.\)
\(1,2\left(51\right)=\frac{413}{330}.\)
Chúc bạn học tốt!
viet cac so thap phan sau duoi dang phan so toi gian
0,2545454......
hay do va ghi lai kich thuoc 1 quyen sach cua em voi don vi mm [ viet cac kich thuoc do duoi dang phan so thap phan roi duoi dang so thap phan ]
\(\dfrac{lan=}{\dfrac{dat}{anh}+\dfrac{duy}{tai}+\dfrac{yen}{loan}+\dfrac{giang}{thuy}+\dfrac{ha}{hung}+\dfrac{khoa}{thom}+\dfrac{nhoi}{trien}+\dfrac{xuan}{minh}+\dfrac{tram}{manh}+\dfrac{nga}{muoi}}\)
viet cac phan so thap phan sau duoi dang thap phan
a 1/10 1/100 1/1000 1/10000
b 84/10 225/100 6453/1000 25789/10000
hello cac ban mong cac ban giai giup minh nhe
a 0,1 0,01 0,001 0,0001
b 0,84 0,225 0,6453 0,25789
TL:
a. 1/10 = 0,1
1/100 = 0,01
1/1000 = 0,001
1/10000 = 0,0001
b. 84/10 = 8,4
225/100 = 2,25
6453/1000 = 6,453
25789/10000 = 2,5789
HT~
1)Viet cac so do sau duoi dang phan so thap phan co :
a) Ten don vi la met
57m, 454dm, 6789cm, 3dm 5cm 7mm
2) Viet so thap phan co :
a) Nam muoi lam don vi,nam phan muoi,nam phan tram,nam phan nghin
b) Hai nghin khong tram linh hai don vi,tam phan tram
c) Khong don vi,mot phan nghin
o9lo....,mnbhggggggggggggggggggggggggggg
biet troi ff khong