Bonsoir
4²-12+9
=16-12+9
=13
Hello,
4² - 12 + 9 = 16 - 12 + 9 = 4 + 9 = 13
En effet, 4² = 4 × 4 = 16.
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Bonsoir
4²-12+9
=16-12+9
=13
Hello,
4² - 12 + 9 = 16 - 12 + 9 = 4 + 9 = 13
En effet, 4² = 4 × 4 = 16.