问题 解答题
计算:4.4×1
1
4
+12.5×0.42-2.6×12.5%-1.
答案

4.4×1

1
4
+12.5×0.42-2.6×12.5%-1,

=44×0.125+0.125×42-2.6×0.125-1,

=0.125×(44+42-2.6)-1,

=0.125×83.4-1,

=9.425.

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