一个圆柱体底面的直径是4分米，高是5分米，如果把它沿直径劈成两半，表面积增加了多少平方分米？
直接写出得数．①= ②= ③= ④=⑤= ⑥= ⑦= ⑧=⑨= ⑩1÷6÷3=
直接写出结果：10÷= ÷= ×= ﹢=×= ×= ﹣= ÷4=
女生人数比男生人数多，则男生比女生少． ．
直接写得数．×3= 5÷= ÷= ×2= 100×29%= 0.625×0.4=÷= += ×（+）= ×÷=
2= = == = == =
= ②
= ③
= ④
=
= ⑥
= ⑦
= ⑧
=
= ⑩1÷6÷3=
= 
÷
= 
×
= 
﹢
=
×
= 
×
= 
﹣
= 
÷4=
，则男生比女生少
． ．
×3= 5÷
= 
÷
×2= 100×29%= 0.625×0.4=
÷
= 
+
= 
×（
+
÷
=
= 
= 
=
= 
= 
=
= 
=
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