Question

10x2,5+10x6,7+10

Tính nhanh

 

Answer 1

10 x 2,5 +10 x 6,7 +10

=10x (2,5+6,7+1)

=10 x 10,2

=102

Answer 2

\(=10\times\left(2,5+6,7+1\right)\\ =10\times10,2\\ =102\)

Answer 3

\(10\times2,5+10\times6,7+10\)
\(=10\times\left(2,5+6,7+1\right)\)
\(=10\times10,2\)
\(=102\)

Answer 4

10x2,5+10x6,7+10 

=10x[2,5+6,7 + 1 ]

= 10x10,2 

= 102