43.2*22.8+86.4*38.6怎么算
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43.2*22.8+86.4*38.6怎么算
![43.2*22.8+86.4*38.6怎么算](/uploads/image/z/20019961-1-1.jpg?t=43.2%2A22.8%2B86.4%2A38.6%E6%80%8E%E4%B9%88%E7%AE%97)
43.2*22.8+86.4*38.6
=43.2*22.8+43.2*2*38.6
=43.2*22.8+43.2*77.2
=43.2*(22.8+77.2)
=43.2*100
=4320
=43.2*22.8+43.2*2*38.6
=43.2*22.8+43.2*77.2
=43.2*(22.8+77.2)
=43.2*100
=4320