Question

Tính nhanh : 456,32 x 2 x 6 + 9 x 4 x 456,32 + 456,32 x 18 + 456,32 x 7 x 4 + 6 x 456,32

 

Answer 1

 

456,32 x 2 x 6 + 9 x 4 x 456,32 + 456,32 x 18 + 456,32 x 7 x 4 + 6 x 456,32

= 456,32 x 12 + 36 x 456,32 x 18 + 456,32 x 28 + 6 x 456,32

= 456,32 x ( 12 + 36 + 18 + 28 + 6 )

= 456,32 x 100

= 456332

 

Answer 2

Làm lại : 456,32 x 2 x 6 + 9 x 4 x 456,32 + 456,32 x 18 + 456,32 x 7 x 4 + 6 x 456,32

= 456,32 x 12 + 36 x 456,32 x 18 + 456,32 x 28 + 6 x 456,32

= 456,32 x ( 12 + 36 + 18 + 28 + 6 )

= 456,32 x 100

= 45632

Answer 3

=456,32*12+456,32*36+456,32*18+456,32*28+456,32*6

=456,32*(12+36+18+28+6)

=456,32*100

=45632