能简算就简算.(5/4-1/3)÷1/8+1/7
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/06 01:05:28
能简算就简算.(5/4-1/3)÷1/8+1/7
(5/4-1/3)÷1/8+1/7
=(5/4-1/3)*8+1/7
=5/4*8-1/3*8+1/7
=10-8/3+1/7
=30/3-8/3+1/7
=22/3-1/7
=154/21-3/21
=151/21
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/06 01:05:28
能简算就简算.(5/4-1/3)÷1/8+1/7
(5/4-1/3)÷1/8+1/7
=(5/4-1/3)*8+1/7
=5/4*8-1/3*8+1/7
=10-8/3+1/7
=30/3-8/3+1/7
=22/3-1/7
=154/21-3/21
=151/21