50×27×2用简便方法计算102×7355×99+55164×17+36×17
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![50×27×2用简便方法计算102×7355×99+55164×17+36×17](/uploads/image/z/430764-60-4.jpg?t=50%C3%9727%C3%972%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97102%C3%977355%C3%9799%2B55164%C3%9717%2B36%C3%9717)
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50×27×2用简便方法计算102×7355×99+55164×17+36×17
50×27×2用简便方法计算
102×73
55×99+55
164×17+36×17
50×27×2用简便方法计算102×7355×99+55164×17+36×17
50×27×2
=50×2×27
=100×27
=2700
102×73
=(100+2)×73
=100×73+2×73
=7300+2×(70+3)
=7300+2×70+2×3
=7300+140+6
=7446
55×99+55
=55×99+55×1
=55×(99+1)
=55×100
=5500
164×17+36×17
=(164+36)×17
=200×17
=3400