Question

tính B = \(\frac{30.4^7.3^{29}-5.14^5.2^{12}}{54.6^{14}.9^7-12.8^5.7^5}\)

Mọi người giúp mình với, mình tick cho!

Answer 1

B=5/3

Answer 2

B=\(\frac{5}{3}\)NHa bạn

ai cho mik ik 

Answer 3

B=\(\frac{5}{3}\)nhớ tích

Answer 4

ai muốn làm ngừi iu a

Answer 5

MÌNH LÀM TIẾP

\(B=\frac{\left(2.5.3\right)\left(2^2\right)^7.3^{29}-5.\left(2.7\right)^5.2^{12}}{\left(2.3^3\right)\left(2.3\right)^{14}\left(3^2\right)^7-\left(2^2.3\right)\left(2^3\right)^5.7^5}\)

\(B=\frac{2.3.5.2^{14}.3^{29}-5.2^5.7^5.2^{12}}{2.3^3.2^{14}.3^{14}.3^{14}-2^2.3.2^{15}.7^5}\)

\(B=\frac{2^{15}.3^{30}.5-5.2^{17}.7^5}{2^{15}.3^{31}-2^{17}.3.7^5}\)

\(B=\frac{5.2^{15}\left(3^{30}-2^2.7^5\right)}{3.2^{15}\left(3^{30}-2^2.7^5\right)}\)

\(B=\frac{5}{3}\)

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