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[1/1 Formula]
    Work: Calculate the value of equation 160/(1+10%)+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4 .
    Question type: Mathematical calculation
    Solution:
          160/(1+10%)+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4
        =160/1.1+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4
        =160/1.1+110/1.1^2+76/(1+10%)^3+40×(1+10%)^4
        =160/1.1+110/1.1^2+76/1.1^3+40×(1+10%)^4
        =160/1.1+110/1.1^2+76/1.1^3+40×1.1^4
        =160/1.1+110/1.21+76/1.1^3+40×1.1^4
        =160/1.1+110/1.21+76/1.331+40×1.1^4
        =160/1.1+110/1.21+76/1.331+40×1.4641
        =145.454545+110/1.21+76/1.331+40×1.4641
        =145.454545+90.909091+76/1.331+40×1.4641
        =145.454545+90.909091+57.099925+40×1.4641
        =145.454545+90.909091+57.099925+58.564
        =236.363636+57.099925+58.564
        =293.463561+58.564
        =352.027561
    Answer:160/(1+10%)+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4=352.027561

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