Question

tinh nhanh:

4x5+4x3+4x2

 

Answer 1

= 4 X ( 5 + 3 + 2 )

= 4 X 10 

= 40

K CHO MK NHA

Answer 2

4x5+4x3+4x2

= 4 x ( 5 + 3 + 2)

= 4 x 10 

= 40

Answer 3

4x5+4x3+4x2

=4x(5+3+2)

=4.10

=40

Answer 4

=4x(5+3+2)

=4x10

=40

k mk nha

Answer 5

\(4.5+4.3+4.2\)

\(=4.\left(5+3+2\right)\)

\(=4.10\)

\(=40\)

Answer 6

=4x(5+3+2)

=4x    10

=     40

Answer 7

= 4x (5+4+3)

= 4 x 12

=48

Answer 8

4x5+4x3+4x2=4x(5+3+2)

                   =4x10

                   =40

Answer 9

4 x 5 + 4 x 3 + 4 x 2

= 4 x ( 5 + 3 + 2 )

= 4 x 10

= 40

Answer 10

4x(5+3+2)

=4x10

=40

k nha bn

Answer 11

4x5+4x3+4x2

=4x(5+3+2)

=4x10

=40

Answer 12

\(4.5+4.3+4.2\)

\(=4.\left(5+4+2\right)\)

\(=4.11\)

\(=44\)

K mình nha    kudoshinichi

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