29.(19 - 13) - 19.(19 - 13)

= 29.6 - 19.6

= 6.(29 - 19)

= 6.10

= 60

29 . (19 - 13 ) - 19 . ( 29 - 13 )

=29 . 6 - 19 . 16

=174 - 304

=130

29․(19-13)-19․(29-13)

= 29․6-19․6

= 6․(29-19)

= 6․10

= 60

0 à

tớ đoán mò đấy

nếu đúng ủng hộ tớ nha

=29.19-29.13-19.29+19.13

=-29.13+19.13

=13.(-29+19)

=13.(-100

=-130

tk mk nha

ai tk mk 

mk tk lai

=29.6-19.16=174-304=-130

Cách 1: 29 . (19 – 13) – 19 . (29 – 13) = 29 . 6 – 19 . 16 = 174 – 304 = –130.

Cách 2: 29 . (19 – 13) – 19 . (29 – 13)

= 29 . 19 – 29 . 13 – (19 . 29 – 19 . 13)

= 29 . 19 – 29 . 13 – 19 . 29 + 19 . 13

=(29 . 19 - 19 . 29) + (19 . 13 - 29 . 13)

= 13 . (19 – 29) = 13 . (–10) = –130.

\(29x\left(19-13\right)-19x\left(29-13\right)\)

\(=29x19-29x13-19x29-19x13\)

\(=\left(29x19-19x29\right)-\left(29x13-19x13\right)\)

\(=0-13x\left(29-19\right)\)

\(=0-13x10=-130\)

29 . ( 19 - 13 ) - 19 . ( 29 - 13 )

= 29 . 19 - 29 . 13 - 19 . 29 - 19 . 13

= ( 29 . 19 . 29 - 19 ) . [ - 29 . 13 - ( - 19 . 13 ) ]

=  0 . [ - 29 . 13 + 19 . 13 ]

= 0 . ( - 10 ) . 13

= - 10 . 13

= - 130

=29.19-29.13-19.29-29.13

=0

29.(19-13)-19.(29-13)

=29.6-19.6

=6.(29-19)

=6.10

=60

29. (19-13) - 19( 29-13)

= 29.19 - 13.29 - 19.29 - 13.19

= 29( 19-19) - 13.29 - 13.19

= 0 - 13. (29-19)

= 0- 13.10

= 0 -130

= -130

29 x ( 19 - 13 ) - 19 x ( 29 - 13 )= tự tính

bằng -130

29(19-13) - 19(29-13)

=29.19-29.13 - 19.29+19.13

=(29.19-19.29)-(29.13-19.13)

=0-13.(29-19)

=-13.10

=-130

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