总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 (5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5))) 的值.
    题型：数学计算
    解:
          (5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*((-1.321928))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*(-1.321928)-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*(-1.321928)-0.6*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*(-1.321928)-0.6*((-0.736966)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*(-0.4*(-1.321928)-0.6*(-0.736966))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*(-1*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*(-1*(0)-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*(-1*0-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*(log(2,2/5))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*((-1.321928))-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*(-1.321928)-(3/5)*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*(-1.321928)-0.6*(log(2,3/5)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*(-1.321928)-0.6*((-0.736966)))
        =0.357143*0.970951+0.285714*-0+0.357143*(-0.4*(-1.321928)-0.6*(-0.736966))
        =0.357143*0.970951+0.285714*-0+0.357143*0.970951
        =0.346768+0.285714*-0+0.357143*0.970951
        =0.346768+-0+0.357143*0.970951
        =0.346768+-0+0.346768
        =0.346768+0.346768
        =0.693536
    答案:(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))+(4/14)*(-(4/4)*(log(2,4/4))-0)+(5/14)*(-(2/5)*(log(2,2/5))-(3/5)*(log(2,3/5)))=0.693536

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