9个0.01,3个0.1和5个0.001是多少
问题描述:
9个0.01,3个0.1和5个0.001是多少
答
9*0.01+3*0.1+5*0.001
=0.09+0.3+0.005
=0.395
答
9个0.01,3个0.1和5个0.001是 0.395
答
9个0.01,3个0.1和5个0.001是0.395
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