(17/5-8/3×3/4)÷4/5
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 01:38:20
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(17/5-8/3×3/4)÷4/5
(17/5-8/3×3/4)÷4/5
(17/5-8/3×3/4)÷4/5
=(17/5-2)/(4/5)=7/4
(17/5-24/12)÷4/5