（1）画一个直径为6厘米的圆，并标出圆心、半径、直径．（2）以直线PQ为对称轴作图形A的轴对称图形，得到图形B．（3）将图形B绕点顺时针旋转90°，得到图形C．（4）将图形C向右平移6个格，得到图形D．
直接写得数．===== 75%÷25%===
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直接写出得数．+0.2=+﹣0.2= 5÷=×1.5+3= 3.6×=×1.5=﹣= 1﹣137.5%=
直接写得数﹣=÷9= 1﹣=×=÷=÷=+=×=+=÷=﹣=×=
直接写出得数．+=﹣=×2=×=×=÷4=÷= 12×=÷42=×=×14=÷4=
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=
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= 75%÷25%=
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=
=
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=
=
=
=
=
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=
=
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+0.2=
+
﹣0.2= 5÷
=
×1.5+3=
=
×1.5=
﹣
= 1﹣137.5%=
﹣
=
÷9= 1﹣
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×
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÷
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÷
=
+
=
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+
=
÷
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﹣
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×
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+
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﹣
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×2=
×
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×
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÷4=
÷
= 12×
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÷42=
×
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×14=
÷4=
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