In each of the following, decide which mathematical expression is represented by the given technology formula. (Some of them may contain redundant parentheses.)
%0
MULTIPLECHOICE
BUTTONS
MESSAGE
%1
MULTIPLECHOICE
BUTTONS
MESSAGE
%2
MULTIPLECHOICE
BUTTONS
MESSAGE
%3
MULTIPLECHOICE
BUTTONS
MESSAGE
%4
MULTIPLECHOICE
BUTTONS
MESSAGE
%5
MULTIPLECHOICE
BUTTONS
MESSAGE
%6
MULTIPLECHOICE
BUTTONS
MESSAGE
RANDOMIZE