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Mathematics, 24.05.2021 17:00 Theresab2021

Which expression is a perfect square? A ² – 45+ 4
B. 7 – 42 - 4
c. 7 – 92 +9
D. 2 -9x-9

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Which expression is a perfect square? A ² – 45+ 4
B. 7 – 42 - 4
c. 7 – 92 +9
D. 2...
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