问题 解答题

计算:172.4×6.2+2724×0.38.

答案

172.4×6.2+2724×0.38

=172.4×6.2+(1724+1000)×0.38,

=172.4×6.2+1724×0.38+1000×0.38,

=172.4×6.2+172.4×3.8+380,

=172.4×(6.2+3.8)+380,

=172.4×10+380,

=1724+380,

=2104.

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