2008+200.8+20.8+2.008+1992+199.2+19.92+1.992 简便方法计算

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2008+200.8+20.8+2.008+1992+199.2+19.92+1.992简便方法计算2008+200.8+20.8+2.008+1992+199.2+19.92+1.992简便方法计算

2008+200.8+20.8+2.008+1992+199.2+19.92+1.992 简便方法计算
2008+200.8+20.8+2.008+1992+199.2+19.92+1.992 简便方法计算

2008+200.8+20.8+2.008+1992+199.2+19.92+1.992 简便方法计算
(2008+1992)+(200.8+199.2)+(20.08+19.92)+(2.008+1.992)=4000+400+40+4=4444