4.4×25%4×25%0.4×25%是根据（）演算的．A.-优题课

题文

4.4×25%=4×25%+0.4×25%是根据（　　）演算的．
A.乘法交换律 B.乘法结合律 C.乘法分配律

科目数学题型选择题难度中等

知识点：算术中的规律

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