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(43.75÷0.625+438×79)÷434.

编辑:chaxungu时间:2026-04-27 13:18:49分类:小学数学题库

(43.75÷0.625+4
3
8
×79)÷4
3
4
.(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.