某公司有男职工420人，是女职工人数的4倍．这个公司有女职工多少人？
计算下面各题．+= ﹣= += ﹣=﹣+= ﹣（+）= +﹣=
+﹣﹣．
直接写出得数．+= += 0.32= 2﹣﹣=﹣0.25= += 12.5×8= +﹣+=
看谁算得又对又快．﹣= += ﹣= 3÷7=+= ﹣= 0.8×1.5= +0.3=
直接写得数．+= ﹣= 0.25×80= +0=+= 2﹣= ﹣= +=
+
= 
﹣
= 
+
= 
﹣
=
+
= 
+
）= 
+
﹣
=
+
﹣
﹣
．
+
= 
+
= 0.32= 2﹣
﹣
=
﹣0.25= 
+
= 12.5×8= 
+
﹣
﹣
= 
+
= 
﹣
= 3÷7=
+
= 
= 0.8×1.5= 
+0.3=
+
= 
﹣
= 0.25×80= 
+
= 2﹣
= 
﹣
= 
+
=
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