\(=\dfrac{4^{10}\cdot9+4^{12}}{4^9\cdot25}=\dfrac{4^{10}\left(9+16\right)}{4^9\cdot25}=4\)
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49.36+644/164.100
=(22)9.22.32+(26)4/(24)4.22.52
=218.22.32+224/216.22.52
=220.32+224/218.52
=220.(32+24)/218.52
=220.25/218.25
=22=4
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