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 ?
tong kho A va kho B la 195 tan tinh so thoc moi kho biet 3/5 kho A nhieu hon 2/7 kho B la 24 tan
giai ra ho minh nhe
trung binh cong so thoc cua hai kho la 225 tan , kho b nhieu hon kho a la 300 tan thoc. tim ti so phan tram so thoc cua kho a va kho b
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 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 thoc chua 388 ta thoc nguoi ta xuat di o kgo a la 15 ta va nhap them o kho b la 32 ta thi so thoc o kho a = 2/3 so thoc o kho b hoi luc dau moi kho co bao nhieu ta thoc
ba kho thoc chua tong cong la 6220 tan kho 1 chua bang 1/2 kho 2 . kho 3 chua kem kho 1 va kho 2 la 980 tan .hoi moi kho
3 kho thoc co tong la 1012 ta . biet 1/2 so kho thoc A bang 3/7 so kho B va bang 5/9 kho C . hay tim so thoc cua moi kho ?
bai 1 : Tim hieu cua hai so, biet rang so lon them 735 don vi va so ben them 449 don vi thi duoc hieu moi la 2000.
Bai 2 : Khi thuc hien phep tru hai so, mot ban da so y viet sai nhu sau : o so bi tru co hai chu socuoi cung la 35 da viet thanh 53 nen phep tru sai co ket qua la 1234. Tim hieu dung cu ahia so do.
Bai 3 : TIm mot so biet rang so do cong voi so lon nhat co ba chu so khac nhau roi cong tiep voi so be nhat co bon chu so khac nhau thi duoc so be nhat co nam chu so.
Bai 4 ; Cho ba chu so tu nhieu A ; B ; C. Biet rang tong cua A va B la 492 ; tongg cua B va C la 936 ; tong cua C va A la 714. Tim ba so do.
Bai 5 : HAi kho chu atat ca 2500 tan thoc. Sau khi lay ra o moi kho so tan thoc nhu sau. thi kho thu nhat con 800 tan va kho thu hai con 500 tan. Hoi luc dau moi kho chua bao nhieu tan thoc?