3.14*3.14+68.6*1.314=?

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3.14*3.14+68.6*1.314=?
3.14*3.14+68.6*1.314=?

3.14*3.14+68.6*1.314=?
=3.14*3.14+68.6*(1+0.314)
=3.14*3.14+68.6*1+68.6*0.314
=3.14*3.14+68.6+6.86*3.14
=3.14*(3.14+6.86)+68.6
=3.14*10+68.6
=31.4+68.6
=100

3.14*3.14+68.6*1.314=100

计算机算一下啊,答案是100

3.14*3.14+68.6*1.314=?
3.14*3.14+68.6*1.314=3.14*3.14+6.86*13.14=3.14*3.14+6.86*3.14+6.86*10=3.14*(3.14+6.86)+68.6=3.14*10+68.6=31.4+68.6=100