2009*200820082008-2008*200920092009=? Simple calculation, please write in detail

2009*200820082008-2008*200920092009=? Simple calculation, please write in detail


2009*200820082008-2008*200920092009 =100010001(2009*2008-2008*2009) =0



[bracketed question] - (- 5 / 6 + 3 / 2) - (0.5 + 1 / 6)


=- (- 5 / 6 + 7 / 2) - (1 / 2 + 7 / 6) = 5 / 6 - 7 / 2 - 1 / 6 - 7 / 6 = 5 / 6 - 7 / 6 - 7 / 2 - 1 / 2 = 5 / 6 - 7 / 6 - 21 / 6 - 6 / 6 = negative 29 / 6 = negative 13 / 3



What is 2 cm divided by 0.26 nm


2CM=0.02M
0.26NM=0.00000000026M
NM=10~-9M