问题 解答题

计算:5.62×49-5.62×39+43.8=______.

答案

5.62×49-5.62×39+43.8,

=5.62×(49-39)+43.8,

=5.62×10+43.8,

=56.2+43.8,

=100.

故答案为:100.

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