5⼀14÷[6⼀7×(2⼀3+1⼀6)]用简便运算

2024-12-19 12:04:38
推荐回答(3个)
回答1:

您好:

5/14÷[6/7×(2/3+1/6)]
=5/14 ÷(6/7x2/3+6/7x1/6)
=5/14÷(4/7+1/7)
=5/14÷5/7
=1/2

不明白,可以追问如有帮助,记得采纳,
谢谢 祝学习进步!

回答2:

5/14÷[6/7×(2/3+1/6)]
=(5/14÷6/7)÷(2/3+1/6)
=5/12÷5/6=1/2

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回答3:

5/14÷[6/7×(2/3+1/6)]
=5/14÷(6/7×2/3+6/7×1/6)
=5/14÷(4/7+1/7)
=5/14÷5/7
=5/14*7/5
=1/2