if two integers x , y ( x > y ) are selected from - 4 to 4 ( inclusive ) , how many cases are there ?
"there are 9 integers from - 4 to 4 inclusive . 9 c 2 = 36 . the answer is d ."
add(add(add(add(add(add(add(4, 4), add(4, const_2)), add(4, const_1)), 4), 4), const_2), const_1)