Question

tính nhanh

a,65x3,47+3,47x65

Answer 1

=  225.55 +  225.55

=  451.1 

Answer 2

a)\(65.3,47+3,47.65\)
\(=65.\left(3,47+3,47\right)\)
\(=65.6,94\)
\(=451,1\)

Answer 3

\(65\times\left(3,47+3,47\right)=65\times6,94=451,1\)

Answer 4

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Answer 5

= 225.55 + 225.55 = 451.1