Ba kho thoc co 482 tan thoc.neu chuyen11,5 tan thoc o kho thu nhat sang kho thu hai thi so thoc o hai kho nay bang nhau va so thoc o kho thu ba bang1/4 tong so thoc cua ba kho.hoi moi kho co bao nhieu tan thoc.
hai kho thoc chua tat ca 388ta thoc . nguoi ta xuat o kho a di 15 ta thoc va nhap them 32 ta thoc o kho b thi so thoc kho a bang 2/3 so thoc kho b . hoi luc dau moi kho co bao nhieu ta thoc ?
kho A co so thoc bang 78% so thoc kho B. Sau khi nhan them 56 ta thoc thi so thoc kho A bang 85% so thoc kho B. Hoi luc dau moi kho co bao nhieu ta thoc?
1. tinh s hinh tron co dien tich 1,2 dm...cm2
2.309/402=2014-a/512.tra loi a=...
3. tim 1 so tu nhien biet neu xoa chu so hang don vi cua no di ta dc so moi kem so phai tim 1814 don vi?
4.so tu thap phan be nhat co cac chu so khac nhau ma tich cac chu so cua so do = 64?
5. 2 kho a va b chua tat ca 325 tan thoc. biet sau khi lay ra 30 tan o kho a va 25 tan o kho b thi so thoc con lai o kho a bang 125% so thoc con lai o kho b. hoi ban dau kho a chua bao nhieu tan thoc?
hai kho co 270 tan thoc ,lay ra 1/4 so thoc kho A va 2/5 so thoc kho B thi phan con lai o hai kho bang nhau .Tinh so thoc moi kho
kho a co so thoc bang 78% so thoc kho b sau kho a nhan them 56 ta thoc thi so gao o kho a bang 85 % kho b hoi luc dau moi kho co bao nhieu ta thoc
tong so thoc kho a va kho b la 246 tan.tong so thoc kho b va kho c la 235 tan .tong so thoc kho a va kho c la 293 tan .hoi moi kho chua bao nhieu tan thoc
kho a co so thoc bang75% so thoc kho b. sau khi kho a nhan them 56 ta thoc thi so thoc kho a bang 85% so thoc kho b .Hoi luc dau moi kho co bao nhieu ta thoc?
3 kho co tat ca 27 tan 54 kg thoc.Neu lay di 1/3 so thoc kho 1,2/5 so thoc kho 2va 1/4 so thoc kho 3 thi phan thoc con lai cua moi kho bang nhau.Tinh ban dau moi kho co bao nhieu kg thoc