Arithmetic problem! Hurry up 99 times (one minus half) times (one minus one third) times (one minus one fourth) (one minus ninety-nine one) Solve it in an hour! Hurry up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I'm in urgent need on the first day of junior high school, or I'll be killed by chopping ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!!!!!!!!! ~~~~~~~~~~~~~~~

Arithmetic problem! Hurry up 99 times (one minus half) times (one minus one third) times (one minus one fourth) (one minus ninety-nine one) Solve it in an hour! Hurry up!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I'm in urgent need on the first day of junior high school, or I'll be killed by chopping ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!!!!!!!!!!! ~~~~~~~~~~~~~~~

99(1-1/2)(1-1/3)(1-1/4)…… (1-1/99)
=99*1/2*2/3*3/4*…… 98/99
Note that the score can be reduced
=99*1/99
=1