甲乙两人都住在同一胡同的同一侧，这一侧的门牌号码是连续的奇数。甲住21号，乙住193号。甲、乙两人的住处相隔着多少个门？
直接写出得数：﹣=0×=÷1=24.26+0.4=
直接写出得数 += ﹣= 12×= ×14= 20÷=×= 0×= ÷= ÷×12= 14×÷14×=
直接写出得数 1÷= += ÷= ÷=×= +0.8= ÷1= ×=+= ﹣= 24÷= ÷=
计算×= ÷= ×× ÷6÷÷× 15×÷ ××16 ÷÷．
直接写得数67÷31= 3.6×= 57×﹣= ×0=3÷= 0.75+= 6.3÷= 120×=
﹣
=
=
÷1=
+
= 
﹣
= 12×
= 
×14= 20÷
=
×
= 0×
= 
÷
= 
÷
×12= 14×
÷14×
= 
+
= 
÷
= 
÷
×
= 
+0.8= 
÷1= 
×
=
+
= 
﹣
= 
=
×
= 
÷
= 
×
×
÷6÷
÷
15×
÷
×
×16 
÷
÷
．
= 57×
﹣
×0=
= 0.75+
= 6.3÷
= 120×
=
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