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 160/(1+10%)+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4 的值.
    题型：数学计算
    解:
          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
    答案:160/(1+10%)+110/(1+10%)^2+76/(1+10%)^3+40×(1+10%)^4=352.027561

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