61 + 27x3
Chat with our AI personalities
9t2 + 42t + 49 is a perfect square, equal to (3t + 7)2
To calculate the sum of 49 plus 49 plus 49 plus 49 plus 49, you would multiply 49 by 5, which equals 245. This is because addition is a form of repeated multiplication. So, 49 multiplied by 5 is 245.
Nope, it's 49.
49 + 66 + 132 + 31 = 278
49