Question

tinh nhanh

2.3+2.4+2.3=

Answer 1

=2.(3+4+3)

=2.10

=20

Answer 2

tinh nhanh

2.3+2.4+2.3=?

\(=2.\left(3+4+3\right)\)

\(=2.10\)

\(=20\)

Answer 3

2 x 3 + 2 x 4 + 2 x 3

= 2 x ( 3 + 4 + 3 )

= 2 x 10

= 20

Answer 4

2.3+2.4+2.3= 2.(3+4+3)

=2.10=20

Answer 5

\(2.3+2.4+2.3=2.\left(3+4+3\right)=2.10=20\)

Answer 6

=2.(3+3+4)

=2.10

=20

Answer 7

\(2.3+2.4+2.3\)

\(=2.\left(3+4+3\right)\)

\(=2.10\)

\(=20\)

Answer 8

2.3 + 2.4 + 2.3

= 2. (3 + 4 + 3)

= 2.10

= 20

Answer 9

Tính nhanh:

2 x 3 + 2 x 4 + 2 x 3

= ( 3 + 4 + 3 ) x 2

= 10 x 2

= 20

ai trên 11đ thì tk mk nha , mk sẽ tk lại

Answer 10

2.(3+4+3)=2.10=20

Answer 11

2 . 3 + 2 . 4 + 2 . 3

= 2 . ( 3 + 4 + 3 )

= 2 . 10

= 20

Answer 12

2. 3 + 2.4 + 2.3

= 2. ( 3 + 4+ 3 )

= 2. 10

= 20

Answer 13

2.3 + 2.4 + 2.3

= 2.(3 + 4 + 3)

= 2.10

= 20

Answer 14

2 x 3 + 2 x 4 + 2 x 3 

= 2 x ( 3 + 4 + 3 )

= 2 x 10

= 20 

Tham khảo nha !

Chúc bạn học giỏi !

^^

Answer 15

2 . 3 + 2 . 4 + 2 . 3

= 2 . ( 3 + 4 + 3 )

= 2 . 10

= 20