Question

: Tinh nhanh

​. 64*25+35*25+25

Answer 1

64 x 25 +35 x 25 +25

=(64+35+1) x 25

=100 x 25

=2500

Answer 2

64 x 25 + 35 x 25 + 25

= ( 64 + 35 + 1 ) x 25

= 100 x 25

= 2500

Answer 3

25*(64+35+1)

=25*100

=2500

Answer 4

64*25+35*25+25

=(64+35)*25+25

=99*25+25

=2475+25

=2500

Answer 5

Ta có 64*25+35*25+25 = 64*25 + 35*25 + 25*1

                                 = 25*(64 + 35 + 1)

                                  = 25*100

                                  =2500

Answer 6

64 x 25 + 35 x 25 + 25

= ( 1 + 64 + 35 ) x 25

= 100 x 25

= 2500

Answer 7

: Tinh nhanh​. 64*25+35*25+25

= (64+35+1) x 25

= 100x25 

= 2500