tim hieu cua hai so biet so lon gap 4 lan so be va biet khi cong hai so do voi tong cua chung thi bang 480 hieu cua hai so do la bao nhieu
tim hai so biet tong 2 so do la 125/100 so lon hieu hai so do lon so be 57.5 don vi
tong 2 so la so chan lon nhat co 4 chau so .tim 2 so do, biet hieu hai so do la so be nhat co 4 chu so
cho 1 phep tru 2 so tu nhien. Tim 2 so do, biet tong cua so lon, so be va hieu 2 so do la 1470, so be kem hieu 2 so la 243
tong hai so la so lon nhat co hai chu so tim hieu hai so do biet neu xoa chu so 0 o ben phai so lon ta duoc so be
tim hai so biet tong hai so do bang 125%so lon hieu hai so do lon so be 57.5 don vi
hai so co hieu gap doi so be va tong cua chung la 180 . tim so lon
TRA LOI CAU HOI SAU:
cau1:1/3 cua 186 bang
cau2:5/4cua 2012 bang
cau3:3/4 cua 192 bang
cau4:hieu hai so bang 246 so be bang 3/5 so lon vay so lon la
cau5:tong hai so bang 222 biet rang neu cung them moi so 9 don vi thi so lon gap doi so be tim so lon
cau6:cho hinh chu nhat co chu vi bang 104cm biet neu giam chieu dai di 2cm va tang chieu rong len 2cm thi no cho thanh hinh vuong so do chieu dai hinh chu nhat la
cau7:tong 2 so bang 260 biet neu cung bot moi so di 6 don vi thi so lon gap 3 lan so be vay so be la
hieu hai so bang 1/5 so be. tim so lon biet tong hai so la 35,75