Toán Lớp 7: 5 mũ 4 . 20 mũ 4 _________________ 25 mũ 5 . 4 mũ 5

Lời giải chi tiết: (5^(4).20^4)/(25^(5).4^5) =((5.20)^4)/((25.4)^5) =100^4/100^5 =1/100

$ dfrac{5^4. 20^4}{25^5. 4^5}$ $=$ $ dfrac{( 5. 20 )^4}{( 25. 4 )^5}$ $=$ $ dfrac{100^4}{100^5}$ $=$ $ dfrac{1}{100}$

Toán Lớp 7: 5 mũ 4 . 20 mũ 4 ________________

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