Use the numerals 1,7,7,7, and 7 to create the number 100

Step-by-step explanation:

What we're basically looking for here are ways to get 100 using these numbers.

My immediate first thought was "can we divide the 7's by some 7's to get 100?"

I know that , so I had the idea to make it . This means that we can use the number 7 four times in the equation .

However, we're still missing a 1 that we need to include. This is easy, we can just multiply by 1.

So in conclusion, we get

Hope this helped!

177 - 77 = 100

Step-by-step explanation:

there are basically 4 7s

77-77 = 00

177 - 77 = 100

hope this helps （＾▽＾）

529 and 531

step-by-step explanation: