muon tinh dien tich hinh chu nhat , ta lay chieu dai nhan chieu rong ( co cung so do )
rap chieu phim Kim Dong ban duoc 500 ve gom hai loai 2000d va 3000d so tien thu duoc la1110 d hoi moi ve co bao nhieu chiec?
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 ?
hom nay la 20h gio toi di xem xiec toi mua ve het 80 000 dong va xem mua kem het 10 000 dong .hoi toi tong tat ca so tien la bao nhieu ?
nen cua mot hoi truong hinh chu nhat co chieu dai hon chieu rong 8m va chieu rong bang 3/5 chieu dai nguoi ta lat nen hoi truong do bang gach men moi met vuong gach gia 350 000 dong hoi can bao nhieu tien de mua gach men de lat kin nen hoi truong do
Mot san van dong hinh chu nhat khi ve tren ban do voi ti le 1:1000 thi co chu vi baang 40cm .Hoi chieu dai thic te cua san van dong la bao nhieu , biet chieu rong bang 80 m
MOT THU VIEN NGAY DAU NHAN VE 2315 QUYEN SACH NGAY THU HAI NHAN VE 1235 QUYEN SACH HOI TRONG HAI NGAY DO TRUNG BINH MOI NGAY THU VIEN NHAN VE BAO NHIEU QUYEN SACH
Moi ki lô gam gao te gia 14 500 dong moi ki lo gam gao nep gia 22000 dong.me mua3kg gao te va 2kg gao nep thi nguoi ban hang tra lai so tien thua la 12 500 dong .Hoi me dua cho nguoi ban hang bao nhieu tien?
mua 2 thung cam het 125 000 dong ,moi thung co 5 kg cam .hoi 1 kg cam gia bao nhieu tien
Co giao mua 20 quyyen truyen va mot so but lam phan thuong cho hoc sinh . Biet rang gia moi quyen truyen la 15 000 dong , so tien mua but bang 1/3 so tien mua truyen . Hoi co giao da mua phan thuonghet bao nhieu tien ?
