Question

1000 + 1000 + 120 + 110 + 900 + 130 = ?

tính bằng cách nhanh nhất """ -_-?

Answer 1

1000 + 1000 + 120 + 110 + 900 + 130 = 3250

Answer 2

1000 + 1000 + 120 + 110 + 900 + 130 = ( 1000 x 2 ) + ( 120 + 130 ) + ( 900 + 110 )

                                                           = 2000 + 250 + 1010

                                                           = 2250 + 1010

                                                           = 3260  

Answer 3

1000 + 1000 + 120 + 110 + 900 + 130 = ?

= 1000 x 2 + 110 + 900 + 120 + 130 

= 2000 + 1100 + 250

= 3100 + 250

= 3350

Answer 4

1000+1000+120+110+900+130

= 500.2+500.2+60.2+55.2+450.2+65.2

=2.[500+500+60+55+450+65]

=2.1630

=3260

Answer 5

= 3260

Answer 6

{1000+1000}+{900+110}+[120+130}=2000+{900+110}+{120+130]

=2000+1010+{120+130}

=3010+250

=3260

Answer 7

= 3260

Answer 8

3260.kb nha

Answer 9

bằng 3260