\r=28 (/)\r#012?345`* 1 +,-8 +7.28/.\r$#% 28.\r14 . <=?>?@=?>A`>??B\rCD>A?| , >??G>A?*IJ>?\rK 1 1 L M 3 5 L.\rN?>A?I .\r=3=\r 09P>A?B\rCD 3 , >??B\rCD 2 , P>??G 5 , >A?G\r 4,\r>A?N?3.14X32X4X 1,\r1\r= 3.14X9X4x6`\r=37.68S\r>??N?3.14X22 X5,\r= 3.14X4X5,\r=62.8S\r62.84-37.68=|S\r#>??N?>AN??1.\r> r 5\r$#% V.\r15. 3 ?(WXY6 Z[\].^ 8 _``IJabcdefg48hcijkl=Z[\r\`m n b 4 _`oYp.\r 09j?(WXY=Z[\?.dd\r84- q64-3r\r= 8 + 2\r= 4 q_`r\rfg48hcijkl=Z[\Yp?.d`sj?(WXY=Z[\?.d.\r#mnb4 _`oYp.\r$#% 4.\r16.tuv<6 wxy`_z{16|19|21|22|24|25}~?^
w`\r=??xy=??2 `I J t u ? = w x y { } ~ .\r 09_`??{_z21+24+25=70 q}~r`16+19\r=35 q}~r,\r70=2X35\r`?=wxy{22}~.\r$#% 22.\rK 1 2 L M 3 5 L
全文预览