A = 7 + 3x3 = 7 + 9 = tu sais
B = 2 x 5 x 5 = 10 x 5 = tu sais
C = -5 + (-4) x (-4) = -5 + 16 = tu dois savoir
D = 2 - 4 x 5 x 5 = 2 - 100 = tu dois savoir
:)
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A = 7 + 3x3 = 7 + 9 = tu sais
B = 2 x 5 x 5 = 10 x 5 = tu sais
C = -5 + (-4) x (-4) = -5 + 16 = tu dois savoir
D = 2 - 4 x 5 x 5 = 2 - 100 = tu dois savoir
:)
B)-5+(-4) ²=-5-16=-21
C)2*5 ²= 2*25= 50
D)2-4*5 ²= 2-4*25= 2-100=-98