12b^3c^6/(3bc^3)^2 сократите дробь

Question

12b^3c^6/(3bc^3)^2 сократите дробь

Answer 1

=12b^3c^6/9b^2c^6=4b/3

Answer 2

12b^3c^6/(3bc^3)^2
1)(3bc^3)^2=9b^2c^6
12b^3c^6/9b^2c^6=3b^2c^6×4b/3b^2c^6×3=4b/3
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