Question

Tính nhanh : 5 x 10 + 7 x 10 - 10 x 2

Answer 1

5x10+7x10-10x2

=10x(5+7-2)

=10x10

=100

Answer 2

5 . 10 + 7 . 10 - 10 . 2

= 10 . ( 5 + 7 - 2 )

= 10 . 10

= 100

Đúng 100%

Answer 3

5 x 10 + 7 x10 - 10 x2

=10 x (5 +7 - 2)

=10 x 10 = 100

Answer 4

5 x 10+7 x 10-10 x 2

=(5+7-2) x 10

=10 x 10

=100

Answer 5

 5 x 10 + 7 x 10 - 10 x 2

=10x(5+7-2)

=10x10

=100

Answer 6

5x10+7x10-10x2

=10x(5+7-2)

=10x(12-2)

=10x10

=100

Answer 7

5*10+7*10-10*2

=(5+7-2)*10

=10*10

=100

k nhé cầu xin cậu luôn đá

Answer 8

5 x 10 + 7 x 10 - 10 x 2

= 10 x ( 5 + 7 - 2 )

= 10 x 10

= 100

Dung 100% luon!

Answer 9

  5 x 10 + 7 x 10 - 10 x 2

=( 5 x 10 ) + ( 7 x 10 ) - ( 10 x 2 )

=    50       +      70     -      20

=            120             - 20

=                  100