Nếu thêm chữ số 4 vào đằng trước thì số lớn hơn số bé 400 đơn vị
Số lớn là: (472+400):2=436
Số bé là:472-436=36
Đáp số: 436;36
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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 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
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