Hello, dblbac!

Who assigned these problems? . . . They'reawful!

And what methods are you allowed to use?

I'll explain the first one . . .

We are subtracting a. . . . a dirty trick!largernumber from asmallernumber.

We must re-stack the numbers (larger on top) and make an addition problem. . **

. .

Then there are two ways to proceed:

[1] Perform the subtraction in base 16: .

[2] Convert to base 10 and subtract: .

Then convert the answer to base 16: .

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

**

Consider the subtraction: .

We know that the answer is: .

But justtryto subtract like this: .

Did you get a silly answer, like ?