(10-3/55×1)+(9-3/55×2)+(8-3/55×3)+……+(2-3/55×9)+(1-3/55×10)=?(10-3/55×1)+(9-3/55×2)+(8-3/55×3)+……+(2-3/55×9)+(1-3/55×10)=?
2022-09-15 01:28:22 23次 反馈错误 加入收藏 正确率 : 100%
题目内容:
(10-3/55×1)+(9-3/55×2)+(8-3/55×3)+……+(2-3/55×9)+(1-3/55×10)=?
(10-3/55×1)+(9-3/55×2)+(8-3/55×3)+……+(2-3/55×9)+(1-3/55×10)=?
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