1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+4181+6765

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/13 04:00:03
1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+4181+67651+1+2+3+5+8+13+21+34+55+89+144+233

1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+4181+6765
1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+4181+6765

1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+4181+6765
原式=(1+1)*2+(5+3)*2+(13+21)*2+(55+89)*2+(233+377)*2+(987+1597)*2+(4181+6575)
=2*2+8*2+34*2+144*2+610*2+2584*2+10756
=(2+8+34+144+610+2584)*2+10756
=3382*2+10756
=6764+10756
=17520