问题 解答题
(43.75÷0.625+4
3
8
×79)÷4
3
4
答案

(43.75÷0.625+4

3
8
×79)÷4
3
4

=(43.75×1.6+4.375×79)÷4

3
4

=(4.375×16+4.375×79)÷4

3
4

=4.375×(16+79)÷4

3
4

=4.375×95×

4
19

=4.375×(95×

4
19
),

=4.375×20,

=87.5.

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