如图所示，有一个梯形ABCD，对角线AC与BD互相垂直，AC长为16cm，BD长为12cm．这时，梯形ABCD的高AH为几厘米？
直接写得数：12÷= ×30= ÷= 16×=÷= ÷4= ÷×1= ÷×=÷3= ÷6= ÷3= ÷．
直接写数：= = = = == = = = =
直接写得数．×3= 6÷= ÷1=1÷÷= ÷= 0.5÷=﹣= 0÷×=
直接写数：7×= ÷6= ÷= 1.6÷0.7= 1÷3×=÷= ÷= ×0.15= ÷= ×÷×=
直接写出得数﹣= += 24×= 36÷=0.27÷0.56= 0.125×8= 0.63÷9= 0.32=
= 
×30= 
÷
= 16×
÷
÷4= 
÷
×1= 
÷
×
=
÷3= 
÷6= 
÷3= 
÷
．
= 
= 
= 
= 
=
= 
= 
= 
= 
=
×3= 6÷
= 
÷1=
÷
÷
= 0.5÷
=
﹣
=
= 
÷6= 
÷
= 1.6÷0.7= 1÷3×
=
÷
÷
= 
÷
= 
×
÷
﹣
= 
+
= 24×
= 36÷
=
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