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62×28+71×62+62

解:62×28+71×62+62
=(28+71+1)×62,
=100×62,
=6200.
分析:本题可根据乘法分配律计算.
点评:在利用递等式计算时,要注意计算过程的完整性,中间不要有太大跳跃.
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