Câu hỏi của Nguyễn Đình Tùng

Question

1.2.3...9 - 1.2.3...8 - 1.2.3...7.8²

Sahara · Accepted Answer

$1.2.3.....9-1.2.3.....8-1.2.3.....7.8^2$
$=1.2.3.....8\left(9-1-8\right)$
$=1.2.3.....8\cdot0$

$=0$

Câu trả lời:

$1.2.3.....9-1.2.3.....8-1.2.3.....7.8^2$
$=1.2.3.....8\left(9-1-8\right)$
$=1.2.3.....8\cdot0$

$=0$

Baokhoi Nguyenba · Answer

1.2.3.....9−1.2.3.....8−1.2.3.....7.821.2.3.....9−1.2.3.....8−1.2.3.....7.82
=1.2.3.....8(9−1−8)=1.2.3.....8(9−1−8)
=1.2.3.....8⋅0=1.2.3.....8⋅0

=0

Câu trả lời:

1.2.3.....9−1.2.3.....8−1.2.3.....7.821.2.3.....9−1.2.3.....8−1.2.3.....7.82
=1.2.3.....8(9−1−8)=1.2.3.....8(9−1−8)
=1.2.3.....8⋅0=1.2.3.....8⋅0

=0