7.26÷0.25÷4
7.26÷1/4÷4
7.26×4×1/4=7.26×（1/4×4）
=7.26可不可以不要几分之几的呢？7.26÷0.25÷4=7.26÷（0.25×4）=7.26÷1=7.26
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