1.83+3.79+0.17怎样简便计算

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1.83+3.79+0.17怎样简便计算
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1.83+3.79+0.17怎样简便计算
1.83+3.79+0.17怎样简便计算

1.83+3.79+0.17怎样简便计算
根据加法交换律
1.83+3.79+0.17
=1.83+0.17+3.79
=2+3.79
=5.79


1.83+3.79+0.17
=(1.83+0.17)+3.79
=2+3.79
=5.79

=(1.83+0.17)+3.79
=2+3.79
=5.79

1.87+0.17+3.79就行了。。