4*(9-2)
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How about 4 times 7 is 28 and 8 divded by 2 is 4
((7-2) * 4) + 8 = (5 * 4) + 8 = 20 + 8 = 28
The only common factors of 28 and 100 are 2, 4.
28 only has six factors: 1, 2, 4, 7, 14, 28.
Oh, what a happy little math problem we have here! To make 28 using 1, 2, 3, and 4, you can simply add them together: 1 + 2 + 3 + 4 + 18 = 28. Just like painting, sometimes all you need is a few simple elements to create something beautiful!