51问答网 > 小陈 的年龄乘以2减去12再加上4,最后除以6结果是2,猜猜小陈的年龄

小陈 的年龄乘以2减去12再加上4,最后除以6结果是2,猜猜小陈的年龄

算式在哪(⊙o⊙)！?
2025-03-15 07:17:30
推荐回答（3个）
回答1：

解：设小陈的年龄是X
（2X-12+4)÷6=2
2X-8=12
2X=20
X=10
答:小陈的年龄是10岁

回答2：

2x减12+4的和除以六等于二，2x减八等于12，二成等于是20，乘等于十。

回答3：

用倒推法
（2×6-4+12）÷2
=10

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