Question

2 . 53 .12 + 4 . 6 . 87 - 3 . 8 . 40

Tính nhanh

Answer 1

2.53.12+4.6.87-3.8.40=2400

Answer 2

2 . 53 .12 + 4 . 6 . 87 - 3 . 8 . 40

= 24 . 53 + 24 . 87 - 24 . 40

= 24 . (53 + 87 - 40)

= 24 . 100

= 2400

Answer 3

2 x 53 x 12 + 4 x 6 x 87 - 3 x 8 x 40

= 2 x 12 x 53 + 4x 6 x 87 - 3 x 8 x 40

= 24 x 53 + 24 x 87 - 24 x 40

= 24 x ( 53 + 87 - 40 ) 

= 24 x 100

= 2400

Answer 4

2 . 53 . 12 + 4 . 6 . 87 - 3 . 8 . 40

= 2 . 12 . 53 + 4 . 6 . 87 - 3 . 8 . 40

= 24 . 53 + 24 . 87 - 24 . 40 

= 24 . ( 53 + 87 - 40 )

= 24 . 100

= 2400

Answer 5

Ta có :

2 x 53 x 12 + 4 x 6 x 87 - 3 x 8 x 40

= 2 x 12 x 53 + 4x 6 x 87 - 3 x 8 x 40

= 24 x 53 + 24 x 87 - 24 x 40

= 24 x ( 53 + 87 - 40 ) 

= 24 x 100

= 2400

Answer 6

2.53.12+4.6.87-3.8.40

=(2.12).53+(4.6).87-(3.8).40

=24.53+24.87-24.40

=24.(53+87-40)

=24.100

=2400

Answer 7

2 . 53 .12 + 4 . 6 . 87 - 3 . 8 . 40

= 24 . 53 + 24 . 87 - 24 . 40

= 24 . (53 + 87 - 40)

= 24 . 100

= 2400

Answer 8

2 . 53 . 12 + 4 . 6 . 87 - 3 . 8 . 40

= 2 . 12 . 53 + 4 . 6 . 87 - 3 . 8 . 40

= 24 . 53 + 24 . 87 - 24 . 40 

= 24 . ( 53 + 87 - 40 )

= 24 . 100

= 2400