Uzupełniamy:

$35=\boxed{5}\cdot \boxed{7}\left(35=\boxed{7}\cdot \boxed{5}\right)$

$32=\boxed{4}\cdot \boxed{8}\left(32=\boxed{8}\cdot \boxed{4}\right)$

$56=\boxed{7}\cdot \boxed{8}\left(56=\boxed{8}\cdot \boxed{7}\right)$

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$72=\boxed{8}\cdot \boxed{9}\left(72=\boxed{9}\cdot \boxed{8}\right)$

$54=\boxed{6}\cdot \boxed{9}\left(54=\boxed{9}\cdot \boxed{6}\right)$

$42=\boxed{6}\cdot \boxed{7}\left(42=\boxed{7}\cdot \boxed{6}\right)$

$63=\boxed{7}\cdot \boxed{9}\left(63=\boxed{9}\cdot \boxed{7}\right)$

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$48=\boxed{6}\cdot \boxed{8}\left(48=\boxed{8}\cdot \boxed{6}\right)$

$45=\boxed{5}\cdot \boxed{9}\left(45=\boxed{9}\cdot \boxed{5}\right)$

$30=\boxed{5}\cdot \boxed{6}\left(30=\boxed{6}\cdot \boxed{5}\right)$

$10=\boxed{2}\cdot \boxed{5}\left(10=\boxed{5}\cdot \boxed{2}\right)$

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$64=\boxed{8}\cdot \boxed{8}$

$81=\boxed{9}\cdot \boxed{9}$

$25=\boxed{5}\cdot \boxed{5}$

$49=\boxed{7}\cdot \boxed{7}$