÷4= | ×12= | 6÷ = | 27× = |
÷ = | × = | 1÷ = | × = |
÷16 | × = | ÷ = | 14÷ = |
÷4= , | ×12=8, | 6÷ =8, | 27× = , |
÷ = , | × = , | 1÷ = , | × = , |
÷16= , | × = , | ÷ = , | 14÷ =27. |
故答案为:
,8,8,
,
,
,
,
,
,
,
,27.
分析:分数除法的题目,根据除以一个数等于乘这个数的倒数进行计算;分数的乘法要注意约分.
点评:本题考查了基本的分数乘除法计算,计算时要细心,把最后的结果化成最简分数.
÷4=
×12=
=
=
÷
=
×
=
=
×
=
÷16
×
=
=