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?

Chao ca ban, minh la Hoa lop 5a2 truong Tieu hoc Cam Son 2. Minh ko hoc gioi toan cho lam nen mong muon ca ban hay giup minh .O lop minh co giao ra rat nhieu bai tap nhung tu khi minh vao Oline Math thi ko thay kho khan khi gap cac bai tap kho .Minh muon cac ban hay noi cho ban cua minh vao Oline Math de chung ta ko con gap cac bai tap kho chung ta co the len Oline Math de hoc hoi va tham khao nhung bai toan don gian va nhung bai toan nang cao ,cac ban nhe !^_^ Hay cung tham gia Oline Math nhe ,o day co rat nhieu cuon sach hay va bo ich giup cho cac ban them hieu biet ve nhung bai minh chua hoc !Chuc cac ban mot ngay tot lanh .Thank you ! 

Bai 1 : 

a) Tim abcd biet : a x bcd = 1001                 b) Tim ab ; biet ab x aba = abab

Bai 2 Tim so co hai chu so, biet rang neu viet them chu so 6 vao ben trai so da cho thi duoc so moi gap 7 lan so cu.

Bai 3: Tim so co ba chu so, biet rang neu viet them chu so 3 vao ben trai so da cho thi duoc so moi gap 7 lan so do

Bai 4 :

a) Tim cac so a7b cung chia het  cho 5 va 9                 b) Tim cac aso 1ab cung chia het cho 5 va 3

Bai 5 : Tim so co hai chu so, biet rang so do chia cho hang don vi cua no thi duoc thuong la 6, du 5.

Bai 6: Cho so co hai chu so trong do chu so hang don vi la 7. Tim so da cho, biet rang neu chia so do cho tong cac chu so cua no thi duoc thuong la 5 va du 12.

de hok dc tot vs gioi la ca 1 van de ?! bn co nghi nhu vay ko ?! tat nhien trong moi suy nghi cua ca nhan cac bn hoc sinh noi chung va y kien cua moi nguoi noi rieng ta deu cho ra nhung y nghi ve van de nay 1 cach rat da dang va phuc tap , 1 trong nhung yeu to lam nen thanh cong trong su ngiep hok tap cua bn co la 1 trong so cac van de dang gay tranh luan do, cung tui kt xem THOI GIAN HOK TAP HANG NGAY CUA BN NHE !!!!!

+mk nghi da so cac bn hok sinh deu phu thuoc vao hok tren lop , di hok them , hok tren mang va nhieu kieu hok khac .....nhung co bao gio bn thac mac hok bao lau la du , can hok ntn va thoi gian thik hop danh cho tung bai hok?! day la chu de chinh cua hom nay ....

ukm.....mk nghi la bn nen danh 2,3h hok ben ngoai =cach doc sach hay di thu vien ...

lam 1 bai tap don gian thi chi ton 20'=>30'

de hoan thanh bai tap tren lop thi can tu 3h=>4h ( cac bn phai biet sap xep thoi gian nghi ngoi trong tam dok nhe !!!!)

tuy theo muc do cua bai tap de chon thoi gian thik hop VD : do kho cao:3h;do kho vua:2h;ko kho lam:1h

CAM ON cac bn da doc bai dang cua mk , mong cac bn se hok tap va co nhung kq tuyet voi nhu mk mong doii