Question

Tính nhanh:35×34+35×86+65×75+65×45

Answer 1

12000 nha

Answer 2

35 x 34 + 35 x 86 + 65 x 75 + 65 x 45

= 1190 +  35 x 86 + 65 x 75 + 65 x 45

= 1190 +   3010     + 65 x 75 + 65 x 45

=  1190 +   3010     + 4875    + 65 x 45

=   1190 + 3010       + 4875   +  2925

=   12000

Answer 3

Tất cả bằng 12000 

Answer 4

35*(34+86)+65*(75+45)=35*120+65*120=120*(35+65)=120*100=12000

Answer 5

35 x 34 + 35 x 86 + 65 x 75 + 65 x 45 

= 35 x ( 34 + 86 ) + 65 x ( 75 + 45 )

= 35 x 120 + 65 x 120

= ( 35 + 65 ) x 120

= 100 x 120 

= 12000

nha!

Answer 6

12000 nha ! k mk nhe !

Answer 7

35. 34+ 35. 86 + 65. 75 + 65. 45

= 35. (34+ 86) + 65. (75+ 45)

= 35. 120 + 65. 120

= 120. (35+ 65)

= 120. 100

= 12000