Respuesta :

Answer:

250-105 = 145

Step-by-step explanation:

5 is greater than 0 so you must regroup:

  • Take 1 from 5, so 5 becomes 4.
  • Add 10 to 0, so 0 becomes 10.
  • 10 minus 5 is 5
  • 4 minus 0 is 4
  • 2 minus 1 is 1