Cho 4 so: 0, 1, 2, 3
a) Lap tat ca cac so khac nhau co 4 chu so
b) Tinh tong cac so vua lap duoc bang cach nhanh nhat
BAI 1. TRONG 1 GIAI DAU BONG CHUYEN CO 8 DOI BONG THAM GIA DUOC CHIA THANH 2 BANG ,MOI BANG CO4 DOI .TRONG MOI BANG , CAC DOI THI DAU VONG TRON DE CHON DOI NHAT, NHI . HOI NGUOI TA PHAI TO CHUC BAO NHIEU TRAN DAU O CA 2 BANG ?
BAI 2. HAI BAN NGOC VA HA CUNG HOC CHUNG LOP 3C VA CA 2 DEU HOC GIOI TOAN . 1 LAN , NGOC DO HA :"HAY VE 2 DUONG THANG CHIA MAT DONG HO THANH 3 PHAN SAO CHO TONG CAC SO CO TEN MOI PHAN BANG NHAU ."HA VE NGAY VA DUNG . EM HAY CHO BIET BAN HA DA VE THE NAO ?
mot khu vuon hinh chu nhat co chu vi la 800m.Chieu dai bang 5/3 chieu rong.cu 1 vien gach la 80cm thi lap duoc 1 cho.hoi de lap het khu vuon thi can bao nhieu vien gach?
cho phan so 31/32. Hay tim tong tat ca cac phan so bang phan số 31/32 ma co tu so cua moi phan so bang 1
biet can dung 5l dau,bang 1/5 luong dau co trong thung va bang 1/9 luong dau trong be chua.tinh tong luong dau co o can,thung va be chua
Hung va Dung co tat ca 36 vien bi neu Hung cho dung 7 vien bi thi tong so bi cua 2 ban bang nhau vay luc dau so bi Dung co la bao nhieu
tong cua hai so bang so lon nhat co 4 chu so .ti so giua so lon va so be bang so be nhat co hai chu so . em hay tim hai so do
hay chia 9 so tu 3 den 11 thanhba nhom sao cho tong ba nhom bang nhau va bang 21
tong cua 3 so bang 8 . Tong cua so thu 1 vs so thu 2 bang 4,7 . tong cua so thu 2 vs so thu 3 bang 5,5 . Hay tim moi so do