把一个圆柱体的侧面展开，得到一个正方形，这个圆柱体的底面半径是5厘米，圆柱体的高是多少厘米？
直接写得数：7.2×= 1÷= = ×0.3=10÷0.1×10÷0.1= 3= += == 18=
计算下面各题×= ×8= 6×= 27﹣= 22÷= ×=54÷= += 1﹣= ﹣= 16×= ÷=
直接写得数．3×= 1÷= ÷= +=0÷= ×= ÷= 6×=
×4= ×= += ×= ×=÷= 0÷= ×= 0×10= ×=+= ﹣= 0÷= ÷= ×4=3×1= += ﹣= 1÷（﹣）= 4÷×4=
直接写出得数．= 16×50%= 16÷= = ÷3== 4÷1%= 2+1÷= 7+= 1÷=
= 1÷
= 
= 
×0.3=
= 
+
= 
=
= 18
=
×
= 
×8= 6×
= 27﹣
= 22÷
= 
×
=
= 
+
= 1﹣
= 
﹣
= 16×
= 
÷
= 1÷
= 
÷
= 
+
=
= 
×
= 
= 6×
=
×4= 
×
= 
+
= 
×
×
=
÷
= 0÷
×
= 0×10= 
×
=
+
= 
﹣
= 0÷
= 
÷
= 
×4=
1= 
= 
﹣
= 1÷（
﹣
）= 4÷
×4=
= 16×50%= 16÷
= 
= 
÷3=
= 4÷1%= 2+1÷
= 7+
= 1÷
=
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