Question

^{giúp mik với} 

Answer 1

a) \(4.5^2-2.3^2\)

\(=4.25-2.9\)

\(=100-18=82\)

b) \(5.2^2+3.4^2\)

\(=5.4+3.16\)

\(=20+48=68\)

c) \(3^7.3^3-3^{10}\)

\(=3^{10}-3^{10}=0\)

d) \(5^6:5^2-5^4\)

\(=5^4:5^4=1\)

e) \(6^3:6^3+1\)

\(=1+1=2\)