hepppppppppppppppppppp [tính hợp lí]

`1/3-3/4-(-3/5)+1/64-2/9+1/36+1/15`

`=(1/3+3/5+1/15)-(3/4+2/9+1/36)+1/64`

`=(5/15+9/15+1/15)-(27/36+8/36+1/36)+1/64`

`=15/15-36/36+1/64`

`=1-1+1/64`

`=0+1/64`

`=1/64`

`#Sal_tSea`