Trường hợp Nếu đề là
`A = \frac{2018 xx 36 + 64 xx 2018}{2018xx 25}`
`= \frac{2018 xx ( 36 + 64)}{2018 xx 25}`
`= \frac{2018 xx 100}{2018xx 25}`
`= \frac{1xx 100}{1 xx 25}`
`= 100/25`
`= 4`
trường hợp Nếu đề là :
`A = 2018 xx 36 + 64 xx 2018/2018 xx 25`
`= 72 648 + 64 xx 1 xx 25`
`= 72 648 + 1600`
`= 72 248`
---------------------------------------------------------
`B= (6/111 + 2/33 - 15/117) xx (1/3 - 1/4 - 1/2) xx 2018`
`= (6/111 + 2/33 - 15/117) xx (-5/12) xx 2018`
`=2836/5291 xx (-5045/9)`
`=-7153810/15873`
