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∵273×94=(33)3×(32)4=39×38=317; ∴3 x=317; ∴x=17.
オリジナル=9^20*3^7/27^15 3*9=27は比例で予約します。 =9^13/27^8 3^2=9 =3^26/27^8 3^3=27 =3^26/3^24 =3^2 =9
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