Question

47(45-15)-47(45-25)

Answer 1

47(30 - 20) = 47 . 10 = 470

Answer 2

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C1:47(45-15)-47(45-25)

=47x30-47x20

=47x(30-20)

=47x10

=470

C2:47(45-15)-47(45-25)

=47x30-47x20

=1410-940

=470

Answer 3

=47.45-47.15-47.45+47.25

=-47.15+47.25

=47(25-15)

=47.10

=470

Answer 4

47( 45 - 15 ) - 47( 45 - 25 )

= 47 . 30 - 47 . 20

= 47 . ( 30 - 20 )

= 47 . 10

= 470

Answer 5

47x(45-15)-47x(45-25)

=47x30-47x20

=(30-20)x47

=10x47

=470