Respuesta :
35-15 is 20. and 43-26 is 17. These two are different because you are regrouping in the 2d problem, as in the first, you just subtract.
Answer:
The given probles are
[tex]35-15[/tex] and [tex]43-26[/tex]
Their main difference is about their results the first problem equals 20 and the second one equals 17. So, the difference between problems is 3 units.
Showing the math, we have
[tex]35-15=20[/tex]
[tex]43-26=17\\[/tex]
[tex]20-17=3[/tex]
So, basically, these problems are different because they have similar operations but with different numbers, which give different results.
