简便计算9.99/2.1*8.4/39/1.11*3.9
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![简便计算9.99/2.1*8.4/39/1.11*3.9](/uploads/image/z/100893-21-3.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%979.99%2F2.1%2A8.4%2F39%2F1.11%2A3.9)
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简便计算9.99/2.1*8.4/39/1.11*3.9
简便计算9.99/2.1*8.4/39/1.11*3.9
简便计算9.99/2.1*8.4/39/1.11*3.9
9.99/2.1*8.4/39/1.11*3.9
=(9.99/1.11)*(8.4/2.1)*(3.9/2.1)
=9*4*3
=108