原式=20.08*39+20.08*41+20.08*20=20.08*100=2008
2.008*390+20.08*41+20.08* 41+200.
2个回答
相关问题
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简便算法0.2008+2.008+20.08+200.8+2008
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2008+200.8+20.08+2.008+199.2+19.92+1.992=
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2.005×390-20.05×41+200.5×2
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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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2.011乘390+20.11乘41+201.1乘2+
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2,005x390十200,5X0,2一20,05X41=?的计算方法简算.
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简便计算19.08平方-19.08*39.16+20.08平方
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(12/41)*21+(20/41)*12
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一道六年级简便运算(2/7+3/41)×7+20/41