递等式计算13.27-0.27*3.4+6.6
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![递等式计算13.27-0.27*3.4+6.6](/uploads/image/z/1264007-47-7.jpg?t=%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%9713.27-0.27%2A3.4%2B6.6)
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递等式计算13.27-0.27*3.4+6.6
递等式计算13.27-0.27*3.4+6.6
递等式计算13.27-0.27*3.4+6.6
13+0.27-0.27*3.4+6.6
=13+0.27*(1-3.4)+6.6
=13+0.27*6.6+6.6
=13+(0.27+1)*6.6
=13+1.27*6.6
=21.382