Answer:
-1
Step-by-step explanation:
its just -1beacuse I did it
Draw the one side then. Next to that you draw the other. Make sure there are noticeable differences between the two.
913
<u> - 426 </u>
<u />487 would be your total but your question is how many times we would have to regroup, so.
<u />
First, you would have to borrow from the 1 because 3 is smaller then 6. Second, you would have to borrow from the 9 because you can't take 2 from 0. So there you would have to regroup twice to work this problem.
Hope that helps you. :-)
I only know Q26 and that's 10x10/2
