1x}
1һ(g)AFwweaȵȸߵĈAwwe( )
a 3a 9
2һΈAһ(g)ĈAFwAwwe6AFwwe( )
6 3 2
2Д(du)e(cu)
1Aweஔ(dng)ڈAFwe3
2һ(g)AwľӹĈAFwȥIJֵwe͈AFwe21
3һ(g)A͈AFȵȸwe21AFwe7
3
1һ(g)Awe18cȵȸߵĈAF.weǣ 6
2һ(g)AFwe18cȵȸߵĈAweǣ54
3һ(g)AcȵȸߵĈAFwe144Aweǣ 108 AFweǣ 36
4ЈAFwwe
1돽46 3.14 4 ?6 = 100.48ף
2ֱ68 3.14602?8 = 7536ף
3L(zhng)31.412ס
3.1431.43.142?12 = 314ף
5һ(g)AFɳѣ1.5돽2ÿɳ1.8@ɳsضه
3.14 2 ?1.51.8 = 11.304
@ɳs11.304
6һ(g)ƈAFεL(zhng)12.561.2ÿС750ǧ@Сضǧ
3.1412.563.142?1.2 750 = 3768ǧˣ
@С3768ǧ
7һ(g)L(zhng)wL(zhng)543bMˮˮȫһ(g)6ĈAFε(ni)bM@(g)AFĵeǶƽ
5 4 3 = 60ף
60 3 6 = 30ƽף
@(g)AFĵe30ƽ
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