3 Modulo 4. A mod n where a is the value that is divided by n. First need to divide the dividend by the divisor:
What is the area of the rectangle? In modulo 5, we have 1 and 4 as quadratic residues. As you can see, the answer to 3 mod 4 is 3.
For example, you're calculating 15 mod 4.
Analogically, the calculations are the same for subtraction. They come to understand that the space can. On the grid below, draw a rectangle that has an area of 32 square centimeters. In modulo 5, we have 1 and 4 as quadratic residues.
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