Réponse :
73+2 = 75 26 /23 = 26-3 = 23 10-2 * 10-5 = 10-2+(-5) = 10-7
212/72 = (21/7)2 82*84 = 82+4 = 86 35/33 = 35-3 = 32
53*5 = 53+1 = 54 74/7 = 74-1 = 73 (103)3 = 103-3 = 10
52*22 = (5*2)2 95*9-2 = 95+(-2) = 93 108*103 = 108+3 = 1011
204/54 = (20/5)4 48/46 = 48-6 = 42 62/64 = 62-4 = 6-2
4-2*43 = 4-2+3 = 41 38/311 = 38-11 = 3-3 72*52 = (7/5)2
144/74 = (14/7)4 42/4-2 = 42-2 = 4 103/104 = 103-4 = 10-1
(102)3 = 102-3 = 10-1
Explications étape par étape