Question

Tính:

29. (15 – 34) – 15. (29 – 34)

Answer 1

Lời giải:
$29(15-34)-15(29-34)=29.15-29.34-15.29+15.34$
$=(29.15-15.29)+(15.34-29.34)$

$=15.34-29.34$
$=34(15-29)=34.(-14)=-34.14=-476$

Answer 2

476 

Answer 3

29(15−34)−15(29−34)=29.15−29.34−15.29+15.3429(15−34)−15(29−34)

=29.15−29.34−15.29+15.34

=(29.15−15.29)+(15.34−29.34)

=(29.15−15.29)+(15.34−29.34)

=15.34−29.34

=15.34−29.34

=34(15−29)

=34.(−14)

=−34.14

=−476