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1997+199.7+19.97+1.997=______.
人气:336 ℃ 时间:2020-05-09 13:20:50
解答
1997+199.7+19.97+1.997
=(2000-3)+(200-0.3)+(20-0.03)+(2-0.003)
=2222-3.333
=2218.667.
故填:2218.667.
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