Question

Tolong ya kakak kakak. trims

Answer 1

Lihat baris atas
10 - n - 1 = 1
10 - 1 - 1 = n
n = 10 - 2
n = 8

Lihat kolom kiri
10 - n - 2 = 2
10 - 2 - 2 = n
n = 10 - 4
n = 6

Lihat kolom kanan
1 - n - 2 = 0
1 - 2 = n
n = -1

Lihat baris bawah
2 - n - 2 = 2
2 - 2 - 2 = n
n = -2

Lihat baris tengah
6 - n - (-1) = 3
6 + 1 - 3 = n
n = 7 - 3
n = 4