数学计算：
直接输入数学计算式，点击“下一步”按钮，即可获得计算答案。
它支持数学函数（包括三角函数）。
直接输入数学计算式，点击“下一步”按钮，即可获得计算答案。
它支持数学函数（包括三角函数）。
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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 138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000 的值.
题型：数学计算
解:
138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+78959.123216+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+78959.123216+50761.744674-505000
=224510.396976+90802.991699+78959.123216+50761.744674-505000
=315313.388675+78959.123216+50761.744674-505000
=394272.511891+50761.744674-505000
=445034.256565-505000
=-59965.743435
答案:138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000=-59965.743435
☆算术计算1题
〖1/1算式〗
作业：求算式 138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000 的值.
题型：数学计算
解:
138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.15^4+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/1.15^5-505000
=138100/1.15+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+138100/1.3225+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+138100/1.520875+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+138100/1.749006249999999+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+78959.123216+102100/2.011357187499999-505000
=120086.956522+104423.440454+90802.991699+78959.123216+50761.744674-505000
=224510.396976+90802.991699+78959.123216+50761.744674-505000
=315313.388675+78959.123216+50761.744674-505000
=394272.511891+50761.744674-505000
=445034.256565-505000
=-59965.743435
答案:138100/1.15+138100/1.15^2+138100/1.15^3+138100/1.15^4+102100/1.15^5-505000=-59965.743435
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