数学计算：
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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 1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49 的值.
题型：数学计算
解:
1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+0.096142+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+0.096142+0.091564
=0.239565+0.111297+0.105997+0.100949+0.096142+0.091564
=0.350862+0.105997+0.100949+0.096142+0.091564
=0.456859+0.100949+0.096142+0.091564
=0.557808+0.096142+0.091564
=0.65395+0.091564
=0.745514
答案:1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49=0.745514
☆算术计算1题
〖1/1算式〗
作业：求算式 1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49 的值.
题型：数学计算
解:
1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/1.05^47+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/1.05^48+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/1.05^49
=1/8.149666932873309+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+1/8.557150279516975+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+1/8.985007793492823+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+1/9.434258183167465+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+1/9.905971092325839+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+1/10.401269646942131+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+0.096142+1/10.921333129289238
=0.122704+0.116861+0.111297+0.105997+0.100949+0.096142+0.091564
=0.239565+0.111297+0.105997+0.100949+0.096142+0.091564
=0.350862+0.105997+0.100949+0.096142+0.091564
=0.456859+0.100949+0.096142+0.091564
=0.557808+0.096142+0.091564
=0.65395+0.091564
=0.745514
答案:1/1.05^43+1/1.05^44+1/1.05^45+1/1.05^46+1/1.05^47+1/1.05^48+1/1.05^49=0.745514
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