bài 1:1024
F=(`-3/2`)+l`-5/6`l-1`1/2`:6
=`9/4`+`5/6`-`3/2`:`6`
=`9/4`+`5/6`-`1/4`
=`37/12`-`1/4`
=`17/6`
M=8^20+4^20/4^25+64^5
=(2^3)^20+(2^2)^20/(2^2)^25+(2^6)^5
=2^60+2^40/2^50+2^30
=2^40(2^20+1)/2^30(2^20+1)
=2^40/2^30
=`2^10`
=1024
N=`(`6^6`+`6^3`.`3^3`+`3^6`)/-73`
=`(`3^6`.(`2^6`+`2^3`+1))/-73`
=`(`3^6`.(64+8+1))/-73`
=`(`3^6`.73)/-73`
=`3^6`.(-1)
=`-3^6`
=-729
T=`(`45^10`.`5^20`)/`75^15`
=`(`9^10`.`5^10`.`5^20`)/(`25^10`.`5^20`)
=3^20.5^30/5^30.3^15=3^20/3^15
=`3^5`=243
