3
5
×1
1
2
分析:根據(jù)分?jǐn)?shù)乘法的計(jì)算法則,把帶分?jǐn)?shù)化成假分?jǐn)?shù),先約分再計(jì)算簡(jiǎn)算.
解答:解:8×
3
5
×1
1
2

=
3
5
×
3
2
,
=
36
5
,
=7
1
5
點(diǎn)評(píng):此題考查的目的是理解掌握分?jǐn)?shù)乘法的計(jì)算法則,并且能夠正確熟練地進(jìn)行計(jì)算.
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