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 2+4/9+8/49+16/225+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529 的值.
题型:数学计算
解:
2+4/9+8/49+16/225+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+8/49+16/225+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+16/225+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+64/3969+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+0.016125+128/16129+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+0.016125+0.007936+256/65025+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+0.016125+0.007936+0.003937+512/261121+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+0.016125+0.007936+0.003937+0.001961+1024/1046529
=2+0.444444+0.163265+0.071111+0.033299+0.016125+0.007936+0.003937+0.001961+0.000978
=2.444444+0.163265+0.071111+0.033299+0.016125+0.007936+0.003937+0.001961+0.000978
=2.607709+0.071111+0.033299+0.016125+0.007936+0.003937+0.001961+0.000978
=2.67882+0.033299+0.016125+0.007936+0.003937+0.001961+0.000978
=2.712119+0.016125+0.007936+0.003937+0.001961+0.000978
=2.728244+0.007936+0.003937+0.001961+0.000978
=2.73618+0.003937+0.001961+0.000978
=2.740117+0.001961+0.000978
=2.742078+0.000978
=2.743056 答案:2+4/9+8/49+16/225+32/961+64/3969+128/16129+256/65025+512/261121+1024/1046529=2.743056你的问题在这里没有得到解决?请到 热门难题 里面看看吧!