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(0.25*0.25*0.25)一百个+(0.4*0.4*.0.4)一百零一个等于多少

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(0.25*0.25*0.25)一百个+(0.4*0.4*.0.4)一百零一个等于多少
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答案和解析
(0.25*0.25*0.25)×100+(0.4*0.4*.0.4)×101
=1/64×100+8/125×101
=1.5625+6.464
=8.0265