Question

Tinh nhanh 35.23+35.41+64.65

Answer 1

35.(23+41)+64.65

=35.64+64.65

=64.(65+35)=64.100=6400

dễ mà

Answer 2

35.23+35.41+64.65

=35.(23+41)+(64.65)

=35.64+64.65

=64.(35+65)

=64.100

=6400

 

Answer 3

ừ dễ mà

Answer 4

35*23*35*4+64*65