34×103×59×103+7×103用简便方法计算
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34Ã103+59Ã103+7Ã103
=(34+59+7)x103
=ï¼93+7ï¼x103
=100x103
=10300
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34Ã103+59Ã103+7Ã103
=(34+59+7)x103
=ï¼93+7ï¼x103
=100x103
=10300
ä¾åèã
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