5
24
×23×
8
15
分析:運(yùn)用乘法交換律,通過約分計(jì)算即可.
解答:解:
5
24
×23×
8
15
,
=
5
24
×
8
15
×23,
=
23
9
點(diǎn)評(píng):此題主要運(yùn)用運(yùn)算定律,通過約分計(jì)算完成.
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