Question

23 + 12 + 17 - 30 +28 =?

Answer 1

\(=\left(23+17\right)+\left(12+28\right)-30=40+40-30=50\)

Answer 2

=50

Answer 3

30 cho xin 1 tick

Answer 4

=50

Answer 5

50

Answer 6

50

Answer 7

= 50 nha

Answer 8

= 50 nha

Answer 9

50 nha

 

Answer 10

=50

Answer 11

= 50

Answer 12

50

Answer 13

50

Answer 14

=(23+17)+(12+28)−30=40+40−30=50

nhớ tick đúng cho mik nhó

Answer 15

=50

Answer 16

( 23 + 17 ) + ( 12 + 28 ) - 30 = 40 + 40 - 30 = 50

Answer 17

( 23 + 17 )+( 12 + 28 ) − 30 = 40 + 40 − 30 = 50

Answer 18

= 50

Answer 19

50

Answer 20

50

Answer 21

50

Answer 22

23 + 12 + 17 - 30 + 28

= (23 + 17) + (12 + 28) - 30

= 40 + 40 - 30

= 80 - 30

= 50.

Answer 23

50

Answer 24

50

Answer 25

= 50

Answer 26

=50

Answer 27

23 + 12 + 17 - 30 + 28

= ( 23 + 17 ) + ( 28 + 12 ) - 30

= 40 + 40 - 30

= 50

Answer 28

 

 

 

Answer 29

50