简便计算 1.0.125X8.8 2.10.1X8.3 3.(2.5+25)X4 4.3.57X3.7+3.57X7.3
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![简便计算 1.0.125X8.8 2.10.1X8.3 3.(2.5+25)X4 4.3.57X3.7+3.57X7.3](/uploads/image/z/4350628-28-8.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97+1.0.125X8.8+2.10.1X8.3+3.%EF%BC%882.5%2B25%EF%BC%89X4+4.3.57X3.7%2B3.57X7.3)
简便计算 1.0.125X8.8 2.10.1X8.3 3.(2.5+25)X4 4.3.57X3.7+3.57X7.3
简便计算 1.0.125X8.8 2.10.1X8.3 3.(2.5+25)X4 4.3.57X3.7+3.57X7.3
简便计算 1.0.125X8.8 2.10.1X8.3 3.(2.5+25)X4 4.3.57X3.7+3.57X7.3
1 0.125X8.8
=0.125X(8+0.8)
=0.125x8+0.125x0.8
=1+0.1
=1.1
2.10.1X8.3
=(10+1)x8.3
=10x8.3+1x8.3
=83+8.3
= 91.3
3 (2.5+25)X4
=2.5x4+25x4
=10+100=110
3.57X3.7+3.57X7
=3.57x(3+7)
=3.57x10
=35.7
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