Các câu hỏi tương tự
tim hai so biet rang tong hai so bang 2015, biet rang so thu nhat gap 3 lan so thu hai gap 5 lan thi duoc tong moi la 7557
1) So A chia cho 93 du 39,hoi A phai thay doi the nao de phep chia la phep chia het va thuong giam 2 don vi.
2) Tim 3 so co trung binh cong la 600 biet rang so thu ba gap 18 lan so thu nhat . Neu viet them so thu nhat vao ben phai hay ben trai chinh no thi ta duoc so thu hai .
1) Tich cua 2 so la 1400.Neu bot so thu nhat 5 don vi thi tich cua 2 so la 1200.Tim 2 so do .
2) So A chia cho 93 du 39,hoi A phai thay doi the nao de phep chia la phep chia het va thuong giam 2 don vi .
3) Tim 3 so co trung binh cong la 600 biet rang so thu ba gap 18 lan so thu nhat.Neu viet so thu nhat vao ben phai hay ben trai chinh no thi ta duoc so thu hai.
hai so co tong bang 1080 tim hai so do biet rang gap 7 lan so thu nhat thi duoc so thu hai
biet tong cua hai so la 64, neu gap so thu nhat len 6 lan va so thu hai gap 4 lan thi duoc tong moi la 356. Tim hieu hai so do?
Bai 1: tich cua 2 so ,biet rang neu giu nguyen thua so thu nhat va tang thua so thuhai len 4 lan thi duoc tich moi la 8400
Bai 2: Tim 2 so co tich bang 5292 ,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai them 6 don vi thi duoc tich moi bang 6048
Tim ba so biet rang so thu nhat gap 8 lan so thu 3, so thu 2 gap doi so the 3. Tong cua so thu 1 va so thu 3 la 657
tong cua hai so la 36500 . neu dem so thu nhat chia cho 38 va so thu hai chia cho 62 thi duoc hai thuong bang nhau . tim hai so do.
tong cua hai so la 498 gap so thu nhat len 5 lan gap so thu hai len 35 thi duoc so moi co tong bang 10500 tim so thu 2
hai so co tong bang 140 neu gap so thu nhat len 5lan va gap so thu 2 len 3lan thi duoc tong moi la 516 so thu 2 la