计算：= ．
直接写得数×= 16×= ×=×= 1×25= 331.5×=×1= 0×= ．
根据乘法算式写出两道除法算式．
×5 ×6 ×510× 8× 12×．
直接写得数= ×= ×=×= ×= ×=×= ×= ×=
的是多少？
= ．
×
= 
16×
= 
×
=
×
= 
1
×25= 33
1.5×
=
×1= 
= ．
×5 
×6 
×5
8×
12×
．
= 
×
= 
×
=
×
×
= 
×
=
×
= 
×
= 
×
=
的
是多少？
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