3.6×32+3.6×69-3.6=3.6×(32+69-1)運(yùn)用了(  )
分析:根據(jù)乘法分配律的意義可知,3.6×32+3.6×69-3.6=3.6×(32+69-1)運(yùn)用了乘法分配律.
解答:解:3.6×32+3.6×69-3.6=3.6×(32+69-1)運(yùn)用了乘法分配律.
故選:C.
點(diǎn)評(píng):乘法分配律為:兩個(gè)數(shù)的和與一個(gè)數(shù)相乘,可先把它們與這個(gè)數(shù)分別相乘,再相加.
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