B??c 2: M? ph?n “Ti?n ích” trong “Cài ??t Iphone” ho?c Ipad, tùy theo thi?t b? b?n s? d?ng.K?t Qu? X? S? K?t Qu? X? S? Mi?n Nam K?t Qu? X? S? Mi?n Trung K?t Qu? X? S? Mi?n B?c KQXS Các T?nh KQXS ?i?n Toán X? s? ?i?n toán Mega six/45 X? s? ?i?n toán Electricity six/fifty five X? s? ?i?n toán Max3D Professional X? s? ?i?n toán Max 3D