Question

tính nhanh 72 nhận 3 + 72 nhân 6 + 72

Answer 1

=72x(3+6+1)

=72x10=720

Answer 2

\(72\cdot3+72\cdot6+72=72\cdot\left(3+6+1\right)=72\cdot10=720\)

Answer 3

72*3+72*6+72

= 72*3+72*6+72*1

=72*(3+6+1)

=72*10

=720

Answer 4

      \(72\times3+72\times6+72\)

\(=72\times\left(3+6+1\right)\)

\(=72\times10\)

\(=720\)

Answer 5

72 x 3 + 72 x 6 + 72

= 72 x ( 3 + 6 + 1 )

= 72 x 10

= 720