Question

915<X x4<917

Answer 1

=> X * 4 = 916

X = 916 : 4

X = 229

Vậy x = 229

Answer 2

915 < X x 4 < 917

=> 915 < 916 < 917

=> X = 916 : 4

=> X = 229

Tick cho mik nha !!!