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 -500000+230000/(1+10%)+230000/(1+10%)^2+230000/(1+10%)^3+230000/(1+10%)^4+230000/(1+10%)^5 的值.
    题型：数学计算
    解:
          -500000+230000/(1+10%)+230000/(1+10%)^2+230000/(1+10%)^3+230000/(1+10%)^4+230000/(1+10%)^5
        =-500000+230000/1.1+230000/(1+10%)^2+230000/(1+10%)^3+230000/(1+10%)^4+230000/(1+10%)^5
        =-500000+230000/1.1+230000/1.1^2+230000/(1+10%)^3+230000/(1+10%)^4+230000/(1+10%)^5
        =-500000+230000/1.1+230000/1.1^2+230000/1.1^3+230000/(1+10%)^4+230000/(1+10%)^5
        =-500000+230000/1.1+230000/1.1^2+230000/1.1^3+230000/1.1^4+230000/(1+10%)^5
        =-500000+230000/1.1+230000/1.1^2+230000/1.1^3+230000/1.1^4+230000/1.1^5
        =-500000+230000/1.1+230000/1.21+230000/1.1^3+230000/1.1^4+230000/1.1^5
        =-500000+230000/1.1+230000/1.21+230000/1.331+230000/1.1^4+230000/1.1^5
        =-500000+230000/1.1+230000/1.21+230000/1.331+230000/1.4641+230000/1.1^5
        =-500000+230000/1.1+230000/1.21+230000/1.331+230000/1.4641+230000/1.610510000000001
        =-500000+209090.909091+230000/1.21+230000/1.331+230000/1.4641+230000/1.610510000000001
        =-500000+209090.909091+190082.644628+230000/1.331+230000/1.4641+230000/1.610510000000001
        =-500000+209090.909091+190082.644628+172802.404207+230000/1.4641+230000/1.610510000000001
        =-500000+209090.909091+190082.644628+172802.404207+157093.094734+230000/1.610510000000001
        =-500000+209090.909091+190082.644628+172802.404207+157093.094734+142811.904304
        =-290909.090909+190082.644628+172802.404207+157093.094734+142811.904304
        =-100826.446281+172802.404207+157093.094734+142811.904304
        =71975.957926+157093.094734+142811.904304
        =229069.05266+142811.904304
        =371880.956964
    答案:-500000+230000/(1+10%)+230000/(1+10%)^2+230000/(1+10%)^3+230000/(1+10%)^4+230000/(1+10%)^5=371880.956964

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