Question

scrie numerele naturale sub formă de suma de produse :5438, 7892,9405

Answer 1

(5*1000)+(4*100)+(3*10)+8=5438
(7*1000)+(8*100)+(9*10)+2=7892
(9*1000)+(4*100)+5=9405

sau

5438=(400*12)+(319*2)
7892=(400*19)+(73*4)
9405=(400*23)+(41*5)