(-21+7/17-7/29+7/2018)/(27-9/17+9/29-9/2018)-2/9 02/08/2021 Bởi Melanie (-21+7/17-7/29+7/2018)/(27-9/17+9/29-9/2018)-2/9
Đáp án: `(-21+7/17-7/29+7/2018)/(27-9/17+9/29-9/2018)-2/9` `= (7.(-3 + 1/17-1/29+1/2018))/(9.(3-1/17+1/29-1/2018)) – 2/9` `= 7/9 – 2/9 = 5/9` $\text{@Harry}$ Bình luận
Nhớ tim,vote nha đừng lừa lọc m.n????☺️????
Đáp án:
`(-21+7/17-7/29+7/2018)/(27-9/17+9/29-9/2018)-2/9`
`= (7.(-3 + 1/17-1/29+1/2018))/(9.(3-1/17+1/29-1/2018)) – 2/9`
`= 7/9 – 2/9 = 5/9`
$\text{@Harry}$