tich minh cho minh len thu 8 tren bang sep hang cai
cam on ban nhe ban co the lam ket ban voi minh ko
Tong cua bon so tu nhien la so lon nhat co bay chu so. Neu xoa di chu so hang don vi cua so thu nhat thi duoc so thu hai. So thu ba bang hieu cua so thu nhat va so thu hai. So thu nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so. Tim so thu tu.
HSG
Tong cua bon so tu nhien la so lon nhat co 7 chu so .Neu xoa di chu so hang don vi cua so 1 thi duoc so 2. so thu 3 bang hieu cua so 1 va so 2.so be nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so .tim so thu 4
2: ban An co 170vien bi gom 2 loai :bi xanh va bi do .Ban An nhan thay 1/9 so bi xanh bang 1/8 so bi do .hoi ban An co bao nhieu bi moi loai
Tong cua ba so la so lon nhat co ba chu so. Neu lay so thu nhat chia cho so thu hai thi duoc thuong la 5, du 3. So thu nhat hon tong cua hai so kia la 7 don vi. So thu nhat hon so thu hai la ?
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?
cho 4 so tu nhienco tong bang 2192.Neu xoa chu so hang don vi cua so thu nhat ta duoc so thu hai.Neu xoa chu so o hang don vi cua so thu hai ta duoc so thu ba.Neu xoa chu so o hang don vi cua so thu ba ta duoc so thu tu.Tim so thu nhat
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
1.tim 2 so a va b biet khi chia a cho b thi duoc thuong la 5,du 2 va tong cua chung la 40
2.mot hinh chu nhat co chieu dai gap 5 lan chieu rong,chieu rong ngan hon chieu dai 24m.tim chu vi
3.tich cua 2 so la 6210.neu giam so nhan di 7 don vi thi tich moi la 5265.tim 2 so ban dau
4.tong cua so thu nhat va so thu 2 la 56,tong cua so thu 2 va so thu 3 la 64 va tong cua so thu 3 va so thu nhat la 78.tim 3 so do
5.tong cua 2 so tu nhien gap 3 lan hieu cua chung.tim thuong cua 2 so do
nho cac ban giai chi tiet gium to nhe
1.tim so bi chia trong phep chia cho 12 co thuong la 35 va so du la so le co 2chu so
2.hieu cua so lon nhat co 4 chu so khac nhau va so nho nhat co 4 chu sola bao nhieu
3.mot hinh chu nhat co chieu dai gap ruoi chieu rong. Neu moi chieu tang them 1m thi duoc hinh chu nhat moi co dien tich tang them 26m2. Tinh chu vi hinh chu nhat
4.trung binh cong cua 2 phan so bang 5/12. Phan so thu nhat hon phan so thu hai 1/6. Tim phan so thu nhat
5.tim y biet (5/7 - y) nhan 4/5 =7/10 + 1/2
6.hieu 2 so =1/3 so be.Tong 2 so la 63. Tim so be
Tim 2 so co tong la 133 . Brang so thu nhat hon so thu hai 1 chu so . Neu gach bo chu so hang don vi cua so thu nhat thi ta co so thu hai???????????????????????????????????
Giai bang cau tao so
