d.

When you add 36189 and 42 together, you get 36231! It’s always fun to break down addition like this: 36189 + 40 yields 36229, and then adding the extra 2 brings you to 36231. Simple and engaging!

If you’re a fan of math puzzles, try creating your own math problems or exploring the magic of numbers around you! For instance, take a look at everyday situations like shopping, cooking, or budgeting to see how these basic operations play a role in real life. It’s amazing how important basic addition can be!