cho cac chu so 1,2,3 va dau (,)viet duoc may so thap phan khac nhau nho hon 30
2 lop 5a va 5b thu nhat duoc 80,5 kg giay vun biet 3/5 so giay vun lop 5a hon 2/5 so giay vun lop 5b la 3,8 kg . Hoi moi lop njat may kg giay vun
Hon so 4 va 33/1010 viet duoi dang so thap phan la gi ?
Cac ban giup minh duoc khong . minh dang can !
1.a Viet 5 so thap phan co gia tri lon hon 0,21 va nho hon 0,22
b Viet phan so nho nhat va lon nhat co tong cua tu va mau deu bang 2012
2.aTy so cua Ava B la 3/7,Ty so cua B va C la 5/6.Tim ty so cua A va C
b.Tim so ab nho nhat sao cho 2ab chia het cho 45
3.a Mot truong hoc co so hoc sinh nam chiem 25% tong so hoc sinh ca truong va nhieu hon so hoc sinh nu la 30 em.Hoi truong do co tat ca bao nhieu hoc sinh
b Mot qua dua nang hon 3/5 can nang cua no la 3 kg.Hoi qua dua do nang may kg
Mot so co hai chu so neu viet them mot chu so nao do vao ta duoc so moi lon hon so phai tim la 2020 don vi tim so do va so viet them
x - 5/6 : 1va1/6 = 0,125
1va1/6 la hon so
tinh gia tri bieu thuc
3/4 x 8,4 +2,8 x 1va1/2
1va1/2 la hon so nha
tong cac chu so cua 1 so co 3 chu so la 21 chu so hang don vi lon hon chu so hang chuc .neu ta doi vi tri chu so hang don vi va chu so hang tram thi duoc mot so moi co gia tri lon hon so cu la 198. tim so cu .
giup mk nhe
Cho 4 chữ số 0; 1;2 va 3. tu 4 chu so da cho viet duoc bao nhieu so thap phan co 1 chu so o phan thap va nho hon 200