Website Statistics Ex2 Calculer les expressions suivantes pour x4 A2xB xC4x5D3x4E337x

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Réponse:

Pour x = 4

A= 2x = 2×4 = 8

B = x² = x×x = 4×4 = 16

C = 4x+5 =4×4+5 =16+5= 21

D = 3(x+4) = 3×(4+4) = 3×8 = 24

E = 33-7x = 33-7×4 = 33-28 = 5

hirondelle52

Bonjour;

A=2x

2*4 = 8

B= x²

4² = 16

C=4x+5

4*4 +5

= 16+5

= 21

D=3(x+4)

3*4+3*4

=12+12

=24

E=33-7x

33-7*4

33-28

= 5

​

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