2008+200.8+20.08+2.008+199.2+19.92+1.992
=2008+200.8+199.2+20.08+19.92+2.008+1.992
=2008+400+40+4=2452
2008+200.8+20.08+2.008+199.2+19.92+1.992=
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相关问题
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(2008+200.8+20.08+2.008+1992+199.2+19.92+1.992)怎么写?
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2008+200.8+20.08+2.008+992+99.2+9.92+0.992 简算
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简便算法0.2008+2.008+20.08+200.8+2008
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2.008*390+20.08*41+20.08* 41+200.
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199.4*19.93-199.3*19.92的简便计算
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（1+19/92*1）+（1+19/92*2）+（1+19/92*3）+…+（1+19/92*10）+（1+19/92*
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巧算下面的题：例1：199.4X19.93-199.3x19.92 例2: 5.4x3.8-6.5x4.4+2.7x5.
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1998+199.8+19.98+1.998+2.222=
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20.2,20.2,20.2,20.1,20,20,19.9,19.8,19.8.
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200乘19.9减199乘19.8 的简便计算