先用计算器算出前三个算式,再根据规律直接写出其他算式的得数.9×7=99×97=999×997=9999×9997=99999

2025-05-21 10:25:23
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回答1:

9×7=63,
99×97=9603,
999×997=996003,
9999×9997=99960003,
99999×99997=9999600003,
999999×999997=999996000003.