Question

x+6+7=98

tick mk mm tick lại cho !

Answer 1

.... + 6 + 7 = 98

......+ 6      = 98 - 7

......+ 6      = 91

......           = 91 - 6

......           = 85

Answer 2

85 tilk nha

Answer 3

........ + 6 + 7 = 98

= 98 - 7 - 6

= 85

 vậy : 85 + 6 + 7 = 88