Question

452 x 17 + 452 x 98 - 452 x 15 tính thuận tiện

Answer 1

=452.(17+98-15)

=452.100

=45200

Answer 2

=452 x(17+98-15)

=452 x 100

=45200

Answer 3

\(452\times17+452\times98-452\times15\)
\(\Rightarrow452\times\left(17+98-15\right)\)
\(\Rightarrow452\times100\)
\(\Rightarrow45200\)

Answer 4

452 x 17 + 452 x 98 - 452 x 15

=452x(17+98-15)

=452x100=45200

Answer 5

452 x 17 + 452 x 98 - 452 x 15

= 452 x ( 17 - 15 + 98 )

= 452 x 100

= 45200

Answer 6

45200

Answer 7

=452 x(17+98-15)

=452 x 100

=45200

Answer 8

45200

Answer 9

=452.(17+98-15)

=452.100

=45200