Bonsoir,s’il vous plaît aidez-moi merci

Exercice 1 :
1) Uo = 100
U1 = 125
U2 = 150
U3 = 175
U4 = 200

2) 100 + (25x30) = 850

3) 100 + (25x111) = 2875


Exercice 2 :

1) U1 = 7
U2 = 4
U3 = 1
U4 = -2
U5 = -5

2) 10 car Uo = 10
10 - (3x11) = -23

3) 10 - (3x100) = -290