1+1+2+3+5+8+13+21+34+55+89+144+233+377+610+987+1597+2584+418

晕菜鱼鱼2022-10-04 11:39:541条回答

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

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共1条回复

5558368 共回答了24个问题 | 采纳率91.7%: 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; 1年前

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