Réponse:
bonjour
-3² + 5×2³
= -9 + 5×8
= -9 + 40
= 31
(-3)² + (5×2)³
= 9 + 10³
= 9 + 1000
= 1009
1/2⁴ × (1+2)²
= 1/16 × 3²
= 1/16 × 9
= 9/16
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Réponse:
bonjour
-3² + 5×2³
= -9 + 5×8
= -9 + 40
= 31
(-3)² + (5×2)³
= 9 + 10³
= 9 + 1000
= 1009
1/2⁴ × (1+2)²
= 1/16 × 3²
= 1/16 × 9
= 9/16