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 chua 350 tan thoc ssau khi nhap them 60tan thoc vao kho A va lay di 50 tan thoc o kho B thi so thoc o kho B bang 7/8 so thoc o kho A hoi luc dau kho B nhieu hon kho A bao nhieu tan thoc
2 kho chứa 325 tấn sau khi lấy ra 30 tấn o kho a va la ra 25 tan p kho b thi so thoc con lai o kho b bang 125% kho a hoi ban dau kho a co bao nhieu tan thoc
Hai kho thoc A & B chua tat ca 465 tan thoc, biet khi xuat di 1/4 so thoc o kho A & 1/5 so thoc o kho B thi so thoc con lai o 2 kho thoc = nhau. Hoi luc dau kho B chua bao nhieu tan thoc.
chieu nay mk se jai
ai tick mk, mk tick lai.
hai kho thoc chua 1500 tan . biet khi chuyen tu kho a sang kho b 100tan thi so thoc con lai o kho a it hon kho b 20 tan . hoi luc dau kho a chua bao nhieu tan thoc
hai kho chua 465 tan thoc sau khi xuat di 1/4 so thoc o kho A va1/5 so thoc o kho B thi so thoc con lai o hai kho bang nhau hoi luc dau kho B chua bao nhieu tan thoc
Hai kho thoc chua tat ca 270 tan thoc.Neu chuyen tu kho thu nhat sang kho thu hai 16 tan thi so tan thoc o kho thu nhat se bang 4\5 so thoc o kho thu hai.Hoi luc dau kho thu nhat chua bao nhieu tan thoc.
2 kho thoc chua tat ca 150 tan thoc biet neu chuyen tu kho a sang kho b 24 tan thi kho b lai nhieu hon kho a 8 tan tinh so thoc chua trong moi kho
hai kho A va B chua duoc 150 tan thoc . so thoc o kho A gap 4 lan so thoc o kho B . hoi moi kho chua duoc bao nhieu tan thoc ?