题目内容
46×138+108×69= .
考点:运算定律与简便运算
专题:运算定律及简算
分析:46×138+108×69,根据因数与积的变化规律,将原式转化为:46×2×69+108×69,再运用乘法分配律简算.
解答:
解:46×138+108×69
=46×2×69+108×69
=92×69+108×69
=(92+108)×69
=200×69
=13800.
故答案为:13800.
=46×2×69+108×69
=92×69+108×69
=(92+108)×69
=200×69
=13800.
故答案为:13800.
点评:此题主要根据因数与积的变化规律、乘法分配律进行简算.
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