Question

67+3=

67-17=

49+11=

ai tick mk mk tick lại

Answer 1

67 + 3 = 70

67 - 17 = 50

49 + 11 = 60

Ai k mk mk k lại

Answer 2

67+3=70

67-17=50

49+11=60

 ai t ick mk mk t ick lại

Answer 3

67+3=70

67-17=50

49+11=60

Answer 4

67+3=70

67-17=50

49+11=70

Answer 5

70

50

60

Answer 6

67+3= 70

67-17= 50

49+11= 60

ai k mk mk k lại

Answer 7

70

50

60

Answer 8

70

50

60

Answer 9

67+3=70

67-17=50

49+11=60

Answer 10

67+3=70

67-17=50

49+11=60

Answer 11

67 + 3 = 70

67 - 17 = 60

49 + 11 = 60

Answer 12

cho mk xin tkkkkk !!

Answer 13

67 + 3 = 70

67 - 17 =50

49 + 11 = 60

Answer 14

70

50

60

Answer 15

67+3=70

67-17=50

49+11=60

đs

Answer 16

67+3=70

67-17=50

49+11=60

Answer 17

67+3

=(60+7)+3

=60+7+3

=60+(7+3)

=60+10

=70

67-17

=60-10

=50

49+11

=40+9+10+1

=40+10+9+1

=50+10

=60