10 cay hoa sep vao 5hang moi hang co 4 cay hoi phai sep theo hinh nao
co10 cay hoa sep vao 5hang moi hang 4 bong hoi fai sep theo hinh nao
10 cay hoa sep vao 5 hang moi hang 4 cay hoi phai sep theo hinh nao
AN MUA 3 CAY BUT , MOI CAY BUT CO GIA 2.500 DONG , AN DUA CHO CO BAN HANG 8.000 DONG , HOI CO BAN HANG PHAI TRA LAI CHO AN BAO NHIEU TIEN ???
An co 10 cay hoa , An trong thanh 5 hang moi hang 4 cay . Hoi an da lam cach nao ?
Mot khu vuon co 50 cay cam,110 cay buoi va 150 cay ca chua.Tren moi cay lan luot co:cay cam 20 qua ,caybuoi 25 qua ,cay ca chua co 10 qua .Hoi tat ca khu vuon co bao nhieu qua?
co giao mua 1 so but chi. neu co chia deu cho tat ca hoc sinh trong lop moi ban 2 cai thi co con thua 38cai. neu co chia them cho moi ban 1 cai nua thi co van thua 3 cai. hoi co bao nhieu cay but chi ?
trong vuon gom 135 cay gom xoai va nhan , so cay xoai trong thanh 7 hang , so hang cay nhan it hon so hang cay xoai la 2 hang ( moi hang co so cay bang nhau ) . hoi moi loai co bao nhiieu cay
Mot san truong hinh chu nhat co chieu dai 20 m chieu rong 15m .Nguoi ta trong cay xung quanh san truong , moi cay cach nhau 5m .Hoi xung quanh san truong trong bao nhieu cay ?