?2 + 114 - 48 ÷ 2 × 5 = 163
ATQ, ?2 + 114 - 48 ÷ 2 X 5 = 163 ?2 + 114 - 24 X 5 = 163 ?2 + 114 - 120 = 163 ?2 - 6 = 163 ?2 = 169 ? = ±13
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