1/10 = 0,1
2/10 = 0,2
=> 5 sô thập phân lớn hơn 1/10 và bé hơn 1/20 là:
0,11 ; 0,12; 0,13 ; 0,14 ; 0,15
1/10=0,1
2/10= 0,2
các số lớn hơn 1/10 mà <1/20 : 0,1 :0,2 : 0,3 ; 0, 4 ; 0,5
Tim bon phan so thap phan vua on hon 3/4 vua be hon 0,8
Tim 3 phan so vua lon hon 1/3 ,vua be hon 2/3
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
tim hai phan so vua lon hon 5\6 vua be hon 8\9
so cac so thap phan co 3 chu so o phan thap phan ma cac so do lon hon 10 va be hon 11
cho ps 4/5 va 4/6. hay tim 7 phan so vua be hon 4/5 vua lon hon 4/6 rut gon cac ps do
tim so thap phan lon hon 6 va be hon 7 biet rang so do co hai cho so khac o phan thap phan va tong cac chu so o phan thap phan bang chu so o phan nguyen
hay cho biet co bao nhieu so thap phan co 3 chu so o phan thap phan ma lon hon 10 va be hon11
co bao nhieu so thap phan co mot chu so phan thap phan lon hon 8 va nho hon 10
