总述：本次共解2题。其中
           ☆算术计算2题

〖1/2算式〗
    作业：求算式 25.48/15 的值.
    题型：数学计算
    解:
          25.48/15
        =1.698667
    答案:25.48/15=1.698667
〖2/2算式〗
    作业：求算式 (40+30/15)*0.5+(40+((30-18.76)/18.76-80%)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5 的值.
    题型：数学计算
    解:
          (40+30/15)*0.5+(40+((30-18.76)/18.76-80%)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5
        =42*0.5+(40+((30-18.76)/18.76-80%)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5
        =42*0.5+(40+(11.24/18.76-80%)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5
        =42*0.5+(40+(-0.200853)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5
        =42*0.5+(40+(-0.200853)*100*3*60%+(11.24/18.76-50%)*100*3*40%)*0.5
        =42*0.5+(40+(-0.200853)*100*3*60%+0.099147*100*3*40%)*0.5
        =42*0.5+15.7441*0.5
        =21+15.7441*0.5
        =21+7.87205
        =28.87205
    答案:(40+30/15)*0.5+(40+((30-18.76)/18.76-80%)*100*3*60%+((30-18.76)/18.76-50%)*100*3*40%)*0.5=28.87205

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