1.2222*0.29-3333*0.04+6666*0.09
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1.2222*0.29-3333*0.04+6666*0.09
2.(20052005-2005.2005)/(80208020-8020.8020)
2.(20052005-2005.2005)/(80208020-8020.8020)
1) 2222*0.29-3333*0.04+6666*0.09
=1111*2*0.29-1111*3*0.04+1111*6*0.09
=1111*(0.58-0.12+0.54)
=1111*1
=1111
2) (20052005-2005.2005)/(80208020-8020.8020)
=2005.2005*(10000-1)/[8020.8020*(10000-1)]
=20052005/80208020
=2005*10001/(8020*10001)
=2005/8020
=401/1604
=1111*2*0.29-1111*3*0.04+1111*6*0.09
=1111*(0.58-0.12+0.54)
=1111*1
=1111
2) (20052005-2005.2005)/(80208020-8020.8020)
=2005.2005*(10000-1)/[8020.8020*(10000-1)]
=20052005/80208020
=2005*10001/(8020*10001)
=2005/8020
=401/1604
2.899999+89999+8999+899+89 1.2222称100分之22-3333×0.04+6666×0.0
9999*7778*3333*6666 0.02+0.04+0.06+.0.96+0.98
用简便方法计算2.37*0.1+23.7*0.09 9999*7778+3333*6666
9999*2222+3333*6666
计算:3333+8888-3333*8888/6666
9999×7778+3333×6666.
5*2222*3333+4444*6666
3333×2222÷6666=?
3333×3333+13333+3333×6666简算 急! 帮下忙!
0.01,0.04,0.09( ),( ),( ).找规律
9999×7778+3333×6666怎么简算啊
8888×6666÷2222÷3333