4.4+44*12-88的简便算法
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![4.4+44*12-88的简便算法](/uploads/image/z/631135-55-5.jpg?t=4.4%2B44%2A12-88%E7%9A%84%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95)
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4.4+44*12-88的简便算法
4.4+44*12-88的简便算法
4.4+44*12-88的简便算法
4.4+44×12-44×2
=4.4+44×(12-2)
=4.4+440
=444.4
4.4+44*12-88
=4.4+44*12-44*2
=4.4+44*(12-2)
=4.4+44*10
=4.4+440
=444.4
4.4+44*12-88=4.4+44*(10+2)-88=4.4+44*10+44*2-88=444.4
=44*(0.1+12-2)=44*10.1=444.4