Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 22+208-162-10-25-18-18×6%÷12-120×9%÷12＋a-a×6%÷12 ≥20 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        22 + 208 - 162 - 10 - 25 - 18 - 18 × 6 % ÷ 12 - 120 × 9 % ÷ 12 + a - a × 6 % ÷ 12 ≥20         (1)

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    From inequality(1)：
         a ≥ 6.020101

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    The final solution set is :
         a ≥ 6.020101

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