tich cua hai so la6764.Neu giam thua so thu nhat di 51 don vi va giu nguyen thua so thu hai thi duoc tich moi la 2888. Tim 2 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 hai so co tich la 3250 biet rang neu ta cong them vao thua so thu hai 7 don vi va giu nguyen thua so thu nhat va thuc hien phep nhan lai thi duoc tich moi la 4125
hai so co tich la 131784. Biet rang neu tang thua so thu nhat len 26 don vi va giu nguyen thua so thu hai thi tich tang len 7514 don vi . tim 2 so do
tich 2 so la 56088 neu thua so thu 2 giam di 6 don vi va giu nguyen thua so thu nhat thi duoc tich moi bang 55350 tim 2 so do
tich hai so tu nhien la 10750.tim thua so thu nhat,biet neu tang thua so thu nhat them nam don vi va giu nguyen thua so thu hai thi ta duoc tich la 11180.
Tich hai so la 150 neu them 3 don vi vao thua so thu nhat va giu nguyen thua so thu hai thi dc tich cua hai so la 225 tim hai so do
tich 2 so tu nhien la 10750.tim thua so thu nhat them 5 don vi va giu nguyen thua so thu hai thi ta duoc tich bang 11180
tim hai so co tich bang 5292,biet rang neu giu nguyen thua so thu nhat va tang thua so thu hai len 6 don vi thi co tich moi la 6048