83.5×9.6+9.6×16.5=(83.5+16.5)×9.6,這是運(yùn)用了( 。
分析:通過觀察,在算式83.5×9.6+9.6×16.5中,加號兩邊的算式都含有因數(shù)9.6,因此,可運(yùn)用乘法分配律簡算.
解答:解:83.5×9.6+9.6×16.5=(83.5+16.5)×9.6,運(yùn)用了乘法分配律.
故選:D.
點(diǎn)評:此題考查了學(xué)生對乘法分配律的掌握與運(yùn)用情況.
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