There is a bus with 7 girls inside, (車上有 7個女孩 )
Each girl has 7 bags,(每個女孩有 7個包 )
Inside each bag, there are 7 big cats, (每個包裡有7只貓)
Each big cat has 7 small cats,(每只貓還有7只小貓)
All cats have 4 Legs each!(每只貓都只有4條腿)
Question:
How many Legs are there inside the bus? (請問車上有多少條腿)
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Thanks answer ~
女孩=7x2=14
貓=7x7x4=196
小貓=7x7x7x4=1372
我猜的
7*8=56
49*56=2744
2744*4=10976
10976+(2*7)=10990
[ 本帖最後由 fang12300 於 2010-3-3 18:01 編輯 ]
7*2=14
7*7*4=196
196+14=210
是嗎?
49隻貓X4隻腿(196) + 7個女生X2條腿(14)=210