Question

(5 mũ 19 : 5 mũ 17  + 3 ) : 7

Hộ mik nhé nhớ ghi cả cách làm ra

Answer 1

\(\left(5^{19}\div5^{17}+3\right)\div7\)

\(=\left(5^2+3\right)\div7\)

\(=\left(25+3\right)\div7\)

\(=28\div7=4\)

Answer 2

\(\left(5^{19}:5^{17}+3\right):7\)

\(=\left(5^2+3\right):7\)

\(=\left(25+3\right):7\)

\(=28:7\)

\(=4\)

Answer 3

(\(^{5^{19}}\)-\(5^{17}\)+3) :7

=\(\left(5^2+3\right)\): 7

= ( 25 + 3 ) : 7 

=28 : 7 

= 4

Hok tốt nha bn