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Tong cua hai so la 472 va biet viet them chu so 4 vao dang truoc so be thi ta duoc so lon. Tim hai so do.
Tim hai so, biet hieu hai so do la 82 va neu viet them mot chu so nao do vao ben phai so be ta se duoc so lon
cau 1 ;2 so co tong la 346 biet so be la so co hai chu so va khi viet them chu so 3 vao truoc so be thi duoc so lon tim so becau 2 ; tong 2 so la 390 so be l¸o co 2 chu so va neu viet them chu so 3 vao truoc so be thi duoc so lon tim so loncau3;chu vi 1 khu dat hinh chu nhat 68 chieu dai hon chieu rong16m nguoi ta trong rau tren khu dat do TB cu 2m vuong trong duoc 2 kg rau tinh so rau o khu dat docau4 ; TBCcua 2 so la so nho nhat co 3chu so khac nhau biet so lon lon hon TBCcua 2so la 24 don vi...
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cau 1 ;2 so co tong la 346 biet so be la so co hai chu so va khi viet them chu so 3 vao truoc so be thi duoc so lon tim so be
cau 2 ; tong 2 so la 390 so be l¸o co 2 chu so va neu viet them chu so 3 vao truoc so be thi duoc so lon tim so lon
cau3;chu vi 1 khu dat hinh chu nhat =68 chieu dai hon chieu rong16m nguoi ta trong rau tren khu dat do TB cu 2m vuong trong duoc 2 kg rau tinh so rau o khu dat do
cau4 ; TBCcua 2 so la so nho nhat co 3chu so khac nhau biet so lon lon hon TBCcua 2so la 24 don vi tim so be va so lon
cho so co 2 chu so ma so lon bang 3 lan so be. neu dem so be viet them vao ben phai va ben trai so lon ta duoc hai so moi moi so 4 co 4 chu so. tong cua 2 so co 4 chu so do bang 4848. tim 2 so da cho
tim 2 so co tong 2386 neu viet them chu so 2 vao dang truoc so be duoc so lon . tim 2 so do
cho 2 so co tong bang 23972 biet so be la so co 4 chu so va neu viet them chu so 2 vao truoc so be ta duoc so lon .tim so be
cho hai so so be co hai chu so biet ta viet chu so 5 vao truoc so be ta duoc so lon va trung binh con cua hai so la 329.Tim so be
tong 2 so la 54 biet so be la so co 1 chu so va khi viet them chu so 4 vao ben trai so be thi ta duoc so lon tim 2 so do
tim hai so co tong la 297 neu viet them chu so 0 vao ben phai cua so be thi ta duoc so lon