How many lines is a millimeter

How many lines is a millimeter


One millimeter is equal to 100 channels



How to prove that one dollar equals one point


1 yuan = 100 points
=10 x 10
=RMB 0.1 x RMB 0.1
=01 yuan
=1 point



How many seconds is 11 out of 15 minutes?


44 seconds