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1=5 2=25 3=51 4=91 5=?
1个回答
相关问题
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51又2/3*3/5+71又3/4*4/7+91又4/5*5/9
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简算 51.5-8.56-1.44 21*102-21*2 25*125*32 7.91*3+3*2.09 45*98+
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12/25÷2÷3/5 (1/4*8/15+4)/4/5 化简(有过程)3/2:4/5 33/5:22 1.5:51/2
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(-1/2)+(-51/5)+2-(-31/5)+(-4.5)-(21/3)
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(1)4.5×10.2 (2)(5.6+0.28)÷0.7 (3)51.6÷[(5.4-3.25)×0.8] (4)1.
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1=5,2=51,3=521,4=5321,5=?
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4.25*5.24*1.52*2.51的简便算法
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25.5^2+51*24.5+24.5^2
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(1+3+5+.+51)-(2+4+6+...+50)
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(-19)*91+91*(-81),2.(-36)*200又18分之7,3.(-270)*4分之1+0.25*21.5+