Correction du devoir page 194 n°3 c

2 . 52 + 3 . 53 – 24 =
3 + 42 . 5 – (25 – 2 . 32) =
72 - 5 . (23 + 33) =
(3 + 2)2 + 3 . (5 – 2)3 – 23 . 3 =
25 – 2 . (52 – 32 . 5) + 82 – 62 =