donner lecriture decimel stp ???
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donner lecriture decimel stp ???
Il suffit de développer :
B = -4² + 10^3 * 10^-1 + (-3)²
B = -4x4 + 10*10*10 * 0.1 + (-3)*(-3)
B = -16 + 100 + 9
B = 93