
初二数学计算题
1/3根号0.09+1/5根号0.25根号(1/5)²-根号(-6)²+根号1-(4/5)²快快快快快快快快快快快快快快快快快,在线等...
1/3根号0.09+1/5根号0.25
根号(1/5)²-根号(-6)²+根号1-(4/5)²
快快快快快快快快快快快快快快快快快,在线等 展开
根号(1/5)²-根号(-6)²+根号1-(4/5)²
快快快快快快快快快快快快快快快快快,在线等 展开
3个回答
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1/3根号0.09+1/5根号0.25
=1/3×0.3+1/5×0.5
=0.1+0.1
=0.2
根号(1/5)²-根号(-6)²+根号1-(4/5)²
=1/5-|-6|+根号(9/25)
=1/5-6+3/5
=-26/5
=1/3×0.3+1/5×0.5
=0.1+0.1
=0.2
根号(1/5)²-根号(-6)²+根号1-(4/5)²
=1/5-|-6|+根号(9/25)
=1/5-6+3/5
=-26/5
展开全部
(1)
=1/3*0.3+1/5*0.5
=0.1+0.1
=0.2
(2)
=1/5-6+3/5
=0.8-6
=-5.2
=1/3*0.3+1/5*0.5
=0.1+0.1
=0.2
(2)
=1/5-6+3/5
=0.8-6
=-5.2
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展开全部
1/3 x 0.3+1/5 x0.5=0.2
1/5 -6+根号9/25=1/5 -6+3/5= - 5.2
1/5 -6+根号9/25=1/5 -6+3/5= - 5.2
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