Question

The expanded form of (21 - 1)
15
873 - 4x2
42² - 21 - 22
1
27
43
823 – 422 +
3
9
823 – 4:2 + 22 -
1
27
0 8x34x2
833 + 4x² – 24. +
21 2
27​

Answer 1

Answer:

it is infinite number. my dear friend.