Plus 2 plus minus 2 equals 0. The addition of a positive number (2) and a negative number (-2) cancels each other out.
When the sum of a number plus 3 is squared, it is 11 more than the sum of the number plus 2 when squared.
Yes it does, since 1 (an odd whole number) plus another 1 equals 2 (an even whole number). So only 2 plus an odd whole number equals a consecutive odd whole number. 1 plus 2 equals 3. 3 plus 2 equals 5. And so on.
2
2
2
2
2
a number equals 2
The chemical reaction is:2 Cs + 2 H2O = 2 CsOH + H2
An even number :)
Sequence of events : divide by 2 , plus 2 , plus 3 divide by 2 plus 2 , plus 3 , divide by 2 and so on next number 6.