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jek_recluse [69]

4 years ago

9

9

rmula1" title="9x {?}^{2} - 4(x - y) {?}^{2} " alt="9x {?}^{2} - 4(x - y) {?}^{2} " align="absmiddle" class="latex-formula">

1 answer:

crimeas [40]4 years ago

7 0

It 81 I think maybe not sure

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