1÷ = | ÷10= | × × = | × ÷ = | ÷ = | ×36= |
×9× = | 5÷ - ÷6= | 6× = | ﹢ = | ÷ ×0= | 2÷( ÷4)= |
1÷ = , | ÷10= , | × × = , | × ÷ =1, | ÷ = , | ×36=18, |
×9× =2, | 5÷ - ÷6=5 , | 6× = , | ﹢ = , | ÷ ×0=0, | 2÷( ÷4)=12. |
分析:分数乘法:分子相乘的积做分子,分母相乘的积做分母;
分数除法:除以一个数等于除以这个数的倒数.
点评:本题考查了分数乘除法的计算,计算时要细心,把结果化成最简分数.
=
÷10=
×
×
=
×
÷
=
=
×36=
×9×
=
﹢
=
,
,
,
,
,
,