Question

Tính nhanh

56,32*78+21*56,32+56,32

 

Answer 1

\(56,32x78+21x56,32+56,32\)

\(=56,32x\left(78+21+1\right)\)

\(=56,32x100=5632\)

Answer 2

=56,32*(78+21+1)=56,32*100=5632

Answer 3

  56,32*78+21*56,32+56,32

=56,32*78+21*56,32+56,32*1

=56,32*(78+21+1)

=56,32*100

=5632

Answer 4

56,32*78+21*56,32+56,32

= 56,32*(78+21+1)

=56,32*100

=5632

Answer 5

=5632

Answer 6

56.32x78+21x56.32+56.32

=56.32x78+21x56.32+56.32x1

=56.32x[78+56+1]=56.32x135=7603.2