问题 填空题

计算:2012×0.318+201.2×8.49-20.12×6.7=______.

答案

2012×0.318+201.2×8.49-20.12×6.7,

=2012×0.318+2012×0.849-2012×0.067,

=2012×(0.318+0.849-0.067),

=2012×1.1,

=2012×(1+0.1),

=2012×1+2012×0.1,

=2012+201.2,

=2213.2.

故答案为:2213.2

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