Gọi số bé là xy
số lớn là 1xy
1xy + xy = 174
100 + xy + xy = 174
100 + 2xy = 174
2xy = 174 - 100
2xy = 74
xy = 74 : 2 = 37
Số lớn là :174 - 37 = 137
Đáp số : số bé : 37
Số lớn : 137
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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
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.
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
tim 2 so co tong 2386 neu viet them chu so 2 vao dang truoc so be duoc so lon . tim 2 so do
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
tong cua 2 so la 36.biet so be la so co 1 chu so va khi viet them chu so 2 vao ben trai so be thi se 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
tong cua hai so bang 440 neu viet them chu so 4 vao ben trai so be thi duoc so lon. tim hai so do biet so be la mot so co 2 chu so.
tong cua hai so bang 440 neu viet them chu so 4 vao ben trai so be thi duoc so lon. tim hai so do biet so be la mot so co 2 chu so.
