Em viet 1 so thap phan bat ki roi viet 3 so thap phan bang so vua viet bang cach viet them chu so 0 vao ben phai phan thap phan cua so do ?

A; viet phan so 3\5 thanh tong cua hai phan so thap phan [viet ba cach khac nhau]

B;Viet phan so 1\2 thanh tong cua hai phan so thap phan co mau so khac nhau

viet tat ca cac so thap phan co ba chu so khac nhau la 1,2 va 3 ( khong xet so tu nhien )

cho biet cach lam ngay bay gio

Hay giup to chuyen phan so thap phan 14,92 thanh phan so roi rut gon

viet phan so 5/8 duoi dang phan so thap phan roi chuyên thanh so thap phan.

Doi 1/7 ra so thap phan(trinh bay cach lam)

1.

4km 15m=..km

12 tan 4kg=..tan

2.tu be -lon

1, 05m;150cm;12dm 9cm;15,3dm;1,35m

3.tu lon-be

3,35 tan;3035kg;30ta 35kg;3 tan 35 kg;36,1 ta

4. tim 5 so thap phan vua lon hon 0,3 va be hon 0,4

5.viet cac so thap phan thanh ps thap phan roi rut gon

10,8;18,25;9,125

6 tu be - lon

365dm2;3,1m2;3m2 5dm2;35001cm2

6 va 2/5 viet ra so thap phan nhu the nao?

neu cach lam nhe!

like cho

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)