25×24=25×(20+4)=25×20+25×4=600,這里運(yùn)用了( 。
分析:乘法分配律:一個(gè)數(shù)乘兩個(gè)數(shù)的和,等于這個(gè)數(shù)分別乘這兩個(gè)加數(shù),然后把乘得的積相加.
解答:解:25×24=25×(20+4)=25×20+25×4=600,這里運(yùn)用了乘法分配律.
故選:C.
點(diǎn)評(píng):本題關(guān)鍵明確通過拆數(shù)利用乘法分配律簡算.
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