问题 解答题

计算大擂台

19.4×6.1×2.3      

56.7×0.21+0.093.

答案

(1)19.4×6.1×2.3,

=118.34×2.3,

=272.182;

(2)56.7×0.21+0.093,

=11.907+0.093,

=12.

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