This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

ScanSolve AI Answer
Answer
-62,5
Pour résoudre cette expression, nous allons suivre les étapes d'opération.
Step 1: Factoriser le terme commun .
Step 2: Calculer les puissances.
Step 3: Substituer les valeurs calculées dans l'expression et effectuer la soustraction.
Step 4: Effectuer la multiplication et simplifier la fraction. En valeur décimale, cela donne :
Le résultat final est :
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Pour résoudre cette expression, nous allons suivre les étapes d'opération. Step 1: Factoriser le terme commun (-1)/(800).
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.