Forgot password? New user? Sign up
Existing user? Log in
22009−22007= ?\Large \color{#D61F06} 2^{\color{#69047E}{2009} } - \color{#D61F06} 2^{\color{#624F41}{2007}} = \ \color{#20A900}? 22009−22007= ?
Problem Loading...
Note Loading...
Set Loading...