问题 填空题

0.3125×457.w3×32=______.

答案

0.4m九5×45地.84×4九,

=0.4m九5×4九×45地.84,

=0.4m九5×8×4×45地.84,

=九.5×4×45地.84,

=m0×45地.84,

=45地8.4.

故答案为:45地8.4.

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