Question

12 x 23 + 12 x 34 + 12 x 45

Tk mình với mọi người!Hi hi

Answer 1

12x23+12x24+12x45=12x(23+34+45)=1224

Answer 2

1224 nha

Answer 3

= 12 x ( 23 + 34 + 45 ) = 12 x 102  = 12 x ( 100 + 2 ) = 12 x 100 + 12 x 2 = 1200 + 24 = 1224

Answer 4

12 x 23 + 12 x 34 + 12 x 45

= 12 x (23 + 34 + 45 )

= 12 x 102

= 1224

k mk nha ^_^

Answer 5

12 x 23 + 12 x 34 + 12 x 45

= 12 x ( 23 + 34 + 45 )

= 12 x     102

=     1224

Answer 6

12×23+12×34+12×45

=12×(23+34+45)

=12×100

=1200

Answer 7

12 x 23 + 12 x 34 + 12 x 45

= 12 x ( 23 + 34 + 45 )

= 12 x 100

= 1200

Answer 8

12.(23+34+45)=12.102=1224

Answer 9

12 x 23 + 12 x 34 + 12 x 45

= 12 x ( 23 + 34 + 45 )

= 12 x 102

= 1224

Answer 10

12 x 23 + 12 x 34 + 12 x 45

=12 x (23 + 34 + 45)

= 12 x 102

=1224

Answer 11

12 x 23 + 12 x 34 + 12 x 45

= 12 x ( 23 + 34 + 45 )

= 12 x 100

= 1 200

Answer 12

= 1224 nha 

tk cho mik

Answer 13

= 1200

Answer 14

12 x 23 + 12 x 34 + 12 x 45

=12 x ( 23 + 34 + 45 )

=12 x 102

=1224

Answer 15

12x23+12x34+12x45

=12x(23+34+45)

=12x102

=1224

K MÌNH NHA BẠN THIÊN YẾT

Answer 16

=1200đo bn minh chac chac 100% luon

Answer 17

12x23+12x34+12x45

=12x(23+34+45)

=12x102

=1224

Answer 18

12 x 23 + 12 x 34 + 12 x 45

= 12 x ( 23 + 34 + 45 )

= 12 x 102

= 1224

~ Hok Tốt ~

Answer 19

=1224

bạn nha