co 8 bao gao can nang 243,2kg hoi 12 bao gao nhu the can nang bao nhieu ki lo gam
ghi loi giai gium mik nha
biet 3/7 bao gao can nang 51 kg .Hoi 6/7 bao gao can nang bao nhieu kg?
mot xe tai cho 30 bao gao te va 40 bao gao nep. moi bao te can nang 40 kg , moi bao gao nep can nang 20 kg . hoi xe do cho bao nhieu tan gao?
co 10 tui gao nep va 12 tui gao te can nang tat ca 220 kg . Hoi co bao nhieu kg gao moi loai biet so gao trong moi tui nang bang nhau
co 8bao gao can nang 243,2kg .hoi 12 bao gao nhu the can nang bao nhieu kg
mot xe tai co suc cho 180 bao gao , moi bao nang 50 kg. Hoi neu chat len xe do cac bao gao, moi bao nang 45 kg thi xe co the cho bao nhieu bao gao viet cach giai luon nhe
co ba bao gao can nang 127kg nguoi ta lay ra 1/4 so bao gao thu nhat 1/3 so gao thu hai va 2/7 so bao gao thu ba thi so gao con lai cua ba bao bang nhau hoi moi bao can nang bao nhieu kg
ca 3 tui gao can nang 16.8kg . biet rang tui gao thu nhat va tui gao thu 2 nang bang nhau ,tui gao thu 3 nang bang 1/3 túi gạo thứ hai.hoi tui gao thu 3 nang bao nhieu kg
biet 2/5 bao gao can nang 24 kg .hoi 30% so gao trong bao gao do can nang?