问题
解答题
3.2×2.5+2.5×6.8可以运用（ ）进行简便运算．
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答案
3.2×2.5+2.5×6.8
=（3.2+6.8）×2.5
=10×2.5
=25．
所以，3.2×2.5+2.5×6.8可以运用乘法分配律进行简便运算．
故选：A．
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3.2×2.5+2.5×6.8可以运用（ ）进行简便运算．
|
3.2×2.5+2.5×6.8
=（3.2+6.8）×2.5
=10×2.5
=25．
所以，3.2×2.5+2.5×6.8可以运用乘法分配律进行简便运算．
故选：A．