tich cua hai so =75 .Ban a viet them so 0 vao ben phai thua so thu nhat va giu nguyen thua so thu hai roi nhan hai thua so do voi nhau.Hoi tich moi la bao nhieu ?

Tich cua 2 so la 75. Ban A viet them chu so 0 vao ben phai thua so thu nhatva giu nguyen thua so thu 2 roi nhan 2 so voi nhau. Hoi tich moi la bao nhieu ?

tich 2 so la 75.ban chuot Mickey viet them chu so 0 vao ben phai thua so thu nhat va giu nguyen thua so th 2 roi nhan 2 so lai voi nhau hoi tich moi la?

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

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

Tich cua hai so la 0.06.Hoi:

a)Neu thua so thu nhat gap len 10 lan roi nhan voi thua so thu hai thi duoc tich moi la bao nhieu?

b)neu thua so thu nhat chuyen day phay sang ben phai hai chu so roi nhan voi thua so thu hai thi duoc tich moi la bao nhieu?

c)thua so thu nhat nhan voi 1000 lan thua so thu hai thi duoc tich moi la bao nhieu?

d)tich cua hai so da cho phai nhan voi so nao de co tich bang 600?

Giai tung phan mot

 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

biet tich cua 2 so la 1348. neu gap thua so thu 2 len 3 lan va giu nguyen thua so thu 1 thi tich moi la bao nhieu?

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.