Question

Tính nhanh : 

3x2+3x3+3x4+3

Answer 1

3 x 2 + 3 x 3 + 3 x 4 + 3

= 3 x 2 + 3 x 3 + 3 x 4 +  3 x 1

= 3 x ( 2 + 3 + 4 + 1 )

= 3 x 10

= 30

Answer 2

3 × 2 + 3 × 3 + 3 × 4 + 3

= 3 × 2 + 3 × 3 + 3 × 4 + 3 × 1

= 3 × (2 + 3 + 4 + 1)

= 3 × 10

= 30.

Answer 3

3 x 2 + 3 x 3 + 3 x 4 + 3

= 3 x 2 + 3 x 3 + 3 x 4 +  3 x 1

= 3 x ( 2 + 3 + 4 + 1 )

= 3 x 10

= 30

Answer 4

=3x2+3x3+3x4+3x1

=3x[2+3+4+1]

=3x10

=30

Answer 5

3 x 2 + 3 x 3 + 3 x 4 + 3

= 3 x ( 2 + 3 + 4 + 1 )

= 3 x 10

= 30

Answer 6

Tính nhanh : 

3x2+3x3+3x4+3

Dap an:

3x2+3x3+3x4+3

=123

Answer 7

3 x 2 + 3 x 3 + 3 x 4 + 3

= 3 x 2 + 3 x 3 + 3 x 4 +  3 x 1

= 3 x ( 2 + 3 + 4 + 1 )

= 3 x 10

= 30

Answer 8

đáp số là 30

Answer 9

3 x 2 + 3 x 3 + 3 x 4 + 3 

= 3 x ( 2 + 3 + 4 + 1 )

= 3 x 10

= 30

k mik nha

Answer 10

3x2+3x3+3x4+3=6+9+12+3

                       =30 nha 

ngọc huyền

Answer 11

30

các bạn xinh đẹp,học giỏi k cho mk nha

Answer 12

3x2+3x3+3x4+3

=3x(2+3+4+1)

=3x10

=30