Question

[Lê Hoàng Song Huy]

Rút gọn phân số

A,2^3.9^2/2^2.3^2.5

B,2^4.5^2.11^2.7/2^3.5^3.7^2.11

Answer 1

[Phan Nguyễn Nhật Minh]

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Answer 2

[⚚ßé Só¡⁀ᶦᵈᵒᶫ]

A.\(\frac{2^3.9^2}{2^2.3^2.5}=\frac{2^2.2.\left(3^2\right)^2}{2^2.3^2.5}=\frac{2.3^2}{5}=\frac{18}{5}\)

B.\(\frac{2^4.5^5.11^2.7}{2^3.5^3.7^2.11}=\frac{2^3.2.5^3.5^2.11.11.7}{2^3.5^3.7.7.11}=\frac{2.5^2.11}{7}=\frac{61}{7}\)