7.6×201.3+4.3×201.3-2013×0.19 (简便运算)
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7.6×201.3+4.3×201.3-2013×0.19 (简便运算)
![7.6×201.3+4.3×201.3-2013×0.19 (简便运算)](/uploads/image/z/6112244-20-4.jpg?t=7.6%C3%97201.3%2B4.3%C3%97201.3-2013%C3%970.19+%EF%BC%88%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%89)
7.6×201.3+4.3×201.3-2013×0.19
=7.6×201.3+4.3×201.3-2013×0.1×1.9
=(7.6+4.3-1.9)×201.3
=10×201.3
=2013
=7.6×201.3+4.3×201.3-2013×0.1×1.9
=(7.6+4.3-1.9)×201.3
=10×201.3
=2013