Question

45 nhân 6 + 45 nhân 4 cách 2

Answer 1

\(\text{45x6+45x4}\)

\(\text{= 45x(6+4)}\)

\(\text{= 45x10}\)

\(\text{= 450}\)

Answer 2

 

\(\text{45x6+45x4}\)

\(\text{= 270+180}\)

\(\text{= 450}\)

Answer 3

$\text{45 x 6 + 45 x 4}$

$\text{= 45 x ( 6 + 4 )}$

$\text{= 45 x 10}$

$\text{= 450}$

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Answer 4

 

 

$\text{45x6+45x4 c2 ; 45x(6+4)}$ 

    = 45x(6+4)

$\text{= 45x(6+4)}$

$\text{= 45x10}$

$\text{= 450 }$ 

  $\text{c2 ; 45x(6+4)}$ 

45x10

450