( x + 1233 ) - 1987 = 9876
x + 1233 = 9876 + 1987
x + 1233 = 11863
x = 11863 - 1233
x = 10630
Vậy x = 10630
( x + 1233 ) - 1978 = 9876
x + 1233 = 9876 + 1978
x = 11854 - 1233
x = 10621
( x + 1233 ) - 1978 = 9876
x + 1233 = 9876 + 1978
x + 1233 = 11 854
x = 11 854 - 1233
x = 10 621 .
#Songminhnguyệt
( x+ 1233 ) - 1978 = 9876
x + 1233 = 9876 + 1978
x + 1233 = 11854
x = 11854 - 1233
x = 10621
Vậy x = 10621
( x + 1233 ) - 1978 = 9876
x + 1233 = 9876 + 1978
x + 1233 = 11854
x = 11854 - 1233
x = 10621
(x + 1233) - 1978 = 9876
x + 1233 = 9876 + 1978
x + 1233 = 11854
x = 11854 - 1233
x = 10621
vậy x = 10621
( x + 1233 ) - 1978 = 9876
x + 1233 = 9876 + 11854
x + 1233 = 11854
x = 11854 - 1233
x = 10621
Đây em nhé. Rồi tink cho chị nhé.
(x + 1233) -1978 =9876
(x + 1233) =9876 +1978
(x +1233) =11854
x =11854 -1233
x =10621
Bằng 1061 nhé. HT