Jawabanmu

2014-08-10T08:01:17+07:00
 \frac{3^{7}.7^{3}.2}{(42)^{3}} =  \frac{3^{7}.7^{3}.2}{7^{3}.6^{3}}=  \frac{3^{7}.2}{6^{3}}=\frac{3^{4}.2}{8}=\frac{3^{4}}{4}= \frac{81}{4}=20 \frac{1}{4} atau 20,25

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