Toán Lớp 6: Bài 5:
a) (3^3)^2 b) (2^5)^3 : 4^5 c) 2^3×3^2-3^5:3^2 d) 5^6 : 5^3 + 3^3 × 3^2
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Toán Lớp 6: Bài 5:
a) (3^3)^2 b) (2^5)^3 : 4^5 c) 2^3×3^2-3^5:3^2 d) 5^6 : 5^3 + 3^3 × 3^2
Comments ( 2 )
b) (2^5)^3 : 4^5=2^15:(2^2)^5=2^15:2^10=2^5=32
c) 2^3×3^2-3^5:3^2=8xx9-3^3=72-27=45
d) 5^6 : 5^3 + 3^3 × 3^2=5^3+3^5=125+243=368