Question

六年级上数学课时特训第13页思维拓展第1题答案

急急急！！跪求答案。
1/1×2+1/2×3=
1/1×2+1/2×3+1/3×4=
1/1×2+1/2×3+1/3×4+1/4×5=
1/1×2+1/2×3+1/3×4+1/4×5+1/5×6=

Answer 1

1/1×2+1/2×3=2/3
1/1×2+1/搭镇闭2×3+1/知裂3×4=3/4
1/1×2+1/2×3+1/3×4+1/4×5=4/5
1/1×2+1/2×3+1/3×4+1/4×5+1/5×6=5/6
自己算的，我初三了，这种题应该不会旅伏错。

Answer 2

周长除以3.14是直径。18.84cm除以3.14是直径，除以2是半径，就是宽。下面的，自己做凯纳前，相信你一定会做盯清茄歼的!

Answer 3

题呢？？？

追问

1/1×2+1/2×3=
1/1×2+1/2×3+1/3×4=
1/1×2+1/2×3+1/3×4+1/4×5=
1/1×2+1/2×3+1/3×4+1/4×5+1/5×6=

追答

这么简单的你不会么？？？可以算出来的

追问

问了等于白问，无视你 = =

Answer 4

题呢？？？ ？？？？？？？？？？？？？？

追问

1/1×2+1/2×3=
1/1×2+1/2×3+1/3×4=
1/1×2+1/2×3+1/3×4+1/4×5=
1/1×2+1/2×3+1/3×4+1/4×5+1/5×6=