Question

Tính nhanh:

1265 + 455 – 265 – 876 + 1876 + 545

Answer 1

= 3000

Answer 2

= (1265 - 265) + (455 + 545) + (1876 - 265)

= 1000 + 1000 + 1000

=300

Answer 3

1265 + 455 – 265 – 876 + 1876 + 545
= (1265-265)+(455+545)+(1876-876)
= 1000+1000+1000
= 3000
 

Answer 4

 Bn ơi kết qủa là 3000

Answer 5

\(1265+455-265-876+1876+545=1265-265+1876-876+455+545=1000+1000+1000=3000\)

Answer 6

Kểt qủa là3000

Answer 7

1265+455-265-876+1876+545=(1265-265)+(455+545)+(1876-876)       

                                                 = 1000+1000+1000

                                                 =3000

Answer 8

3000

 

Answer 9

3000