(-0.5)+(9/4)+(-19/2)+(9.75) 怎么算
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(-0.5)+(9/4)+(-19/2)+(9.75)怎么算(-0.5)+(9/4)+(-19/2)+(9.75)怎么算(-0.5)+(9/4)+(-19/2)+(9.75)怎么算(-0.5)+(9/
(-0.5)+(9/4)+(-19/2)+(9.75) 怎么算
(-0.5)+(9/4)+(-19/2)+(9.75) 怎么算
(-0.5)+(9/4)+(-19/2)+(9.75) 怎么算
(-0.5)+(9/4)+(-19/2)+(9.75)
=-0.5+2.25-9.5+9.75
=-(0.5+9.5)+(2.25+9.75)
=-10+12
=2
(-0.5)+(9/4)+(-19/2)+(9.75) 怎么算
(-0.5)-9/2-(-19/2)+9.75
6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5(4/9×2.4+1.6×4/19)×4/5
(-0.5)+9/2+(-19/2)+9.75
(-0.5)+2分之9+(-2分之19)+9.75
(-0.5)+9/4+(-19/2)+9.25=?;(-4/5)+6=?
(19 4/9+9 4/19)÷(2 7/9+1 6/19)
x+y+z=19求函数u=(x^2+4)^0.5+(y^2+9)^0.5+(z^2+16)^0.5的最小值(0.5为开二次方) 最好用柯西不等式解答
2/3 4/3 19/9 3 ( )
9又3/4-15*19-2/19简便算法
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运算 (19 12:57:52)1+(1/4)·(9/4)-0.5-0.1
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(-0.5)+(9/2)+(-19/2)+9.75=?求求各位大侠了,我是新人啊
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