1.GIAI BANG BA CACH
1,02 NHAN 0,51:0,68
2.MOT CAN CHUA 13,5 LIT DAU THI CAN DAU DO NANG 12 KG .HOI SAU KHI LAY DI 10LIT DAU THI SO DAU CON LAI CAN NANG BAO NHIEU KG . BIET RANG CAI CAN RONG CAN NANG 1,2 KG
TRÌNH BÀY CÁCH LÀM
3.TIM X.
X NHAN 0,25 +X:0,25=4,59
4.KHOANH TRON VAO CHU CAI DAT TRUOC CAU TRA LOI DUNG
A. 0,9 (DU 287) B.0,9 (DU 0,287) C0,09 (DU 0,0287) D.(DU 0,287
mot can dau chua 13,5 l dau can nang 12 kg. hoi khi lay di 10 l dau thi con lai bao nhieu kg, biet rang can khong co dau nang 1,2 kg?
mot can chua 27l dau can nang 21,65kg .hoi sau khi lay di 10l dau thi luong dau con lai can nang bao nhieu kg , biet rang can rong nang 1,4 kg
mot chiec can rong can nang 1,2kg. nguoi ta do 13,5l dau vao chiec can do thi can dau nay can nang 12kg.hoi chiec can do chua duoc bao nhieu lit dau,biet rang can dau nay can nang 19,2 kg?
mot can chua 7.5l dau thi can duoc 7kg.hoi sau khi dung 5l dau thi can dau con lai can duoc bao nhieu kg,biet rang cai can ko co dau can nang 1.15kg.
mot can nhua chua 10lit dau biet mot lit dau can nang 0,8kg canrong can nang 1,3kg hoi can dau do can nang bao nhieu kg
Mot can chua 5,5 lit dau nang 5,7 kg ( biet can khong chua dau nang 1,3 kg ) .Hoi neu can do chua 3,5 lit dau thi can nang bao nhieu kg ?
biet 36 l dau can nang 27 kg mot can chua dau can nang tat ca 10,5 kg hoi trong can do chua bao nhieu l dau , biet rang cai can rong can nang 1,5 kg
giai bai toan sau:mot can chua 7.5l dau thi can duoc 7kg.hoi sau khi dung 5l dau thi can dau con lai can duoc bao nhieu kg,biet rang cai can ko co dau can nang 1.15kg.
giai nhanh minh tich cho
mot can nhua chua 10 l dau hoa biet mot lit dau hoa can nang 0,8 kg can rong can rong can nang 1,3 kg hoi can dau hoa do can nang bao nhieu kg
