Question

[Lê Nguyễn Khánh My]

tính nhanh:2x99+2

Answer 1

[chanh]

200 

Answer 2

[Mai Trung Hải Phong]

\(2\times99+2\)

\(=2\times\left(99+1\right)\)

\(=2\times100\)

\(=200\)

Answer 3

[bhnguyen]

200

Answer 4

[Nguyễn Thị Đoan Trang]

2x 99 + 2

= 2 x 99 + 2 x 1 

= 2 x ( 99 + 1 )

= 2 x 100

= 200 

Answer 5

[Raven]

200

Answer 6

[phùng gia bảo]

2×99+2=2×99+2×1

            =2×(99+1)

            =2×100

            =200

Answer 7

[Nguyễn Đức Tuấn Kiệt]

200

Answer 8

[Chu Duc Huy]

$2\times 99+2$

$=2\times \left(99+1\right)$

$=2\times 100$

$=200$

Answer 9

[Phan Tấn Dũng]

2x99+2

=99+99+2

=99+1+99+1

=(99+1)+(99+1)

=100 + 100

=200

Answer 10

[kiwuicute]

200