warm greeting to the friend's of hive۔ its a very simplest puzzle that related to the mathematics۔comment me the correct answer of it۔
warm greeting to the friend's of hive۔ its a very simplest puzzle that related to the mathematics۔comment me the correct answer of it۔
I believe it is -7, because minus times minus only becomes plus in multiplication or division.
Now I don't know if the | (pipes) indicate something/a trick, because in programming pipes are used as a test expression for "or," so in the end I don't know if I'm correct.