Réponse:
a) (1+9)2= 10×2 = 20
1+92= 93
6³-2=( 6×6×6)-2= 216-2= 214
(6-2)³=4³= 4×4×4=64
b)
8-52=(8)+(-52
)=-44
(8×5)³=40³=40×40×40=6400
8×5³=8×(5×5×5)=8×125=2000
85³=(85×85×85= 614125
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Réponse:
a) (1+9)2= 10×2 = 20
1+92= 93
6³-2=( 6×6×6)-2= 216-2= 214
(6-2)³=4³= 4×4×4=64
b)
8-52=(8)+(-52
)=-44
(8×5)³=40³=40×40×40=6400
8×5³=8×(5×5×5)=8×125=2000
85³=(85×85×85= 614125