王阿姨买了9.5千克苹果,给销售元30元找回7.2元。买了苹果花了多少元?每千克苹果多少元?

2025-03-15 05:46:58
推荐回答(5个)
回答(1):

王阿姨买了9.5千克苹果,给销售元30元找回7.2元。买了苹果花了22.8元,每千克苹果2.4元。

计算过程如下:

根据题意

30-7.2=22.8(元)

22.8÷9.5=2.4(元/千克)

所以买苹果花了22.8元,每千克苹果2.4元

扩展资料:

一个数除以两个数的商,等于这个数先除以商中的被除数,再乘商中的除数。例如:56÷(8÷4)=56÷8×4=28。

几个数的积除以一个数,可以让积里的任何一个因数除以这个数,再与其他的因数相乘。例如:8×72 X 4÷9=72÷9×8×4=256。

回答(2):

30-7.2=22.8就是买苹果的钱,22.8÷9.5=2.4,因此,王阿姨买苹果花了22.8元,每千克苹果要2.4元。

回答(3):

买苹果花的钱数:
30-7.2=22.8(元)
每千克苹果的价格:
22.8÷9.5=2.4(元/千克)
答:买苹果花了22.8元,每千克苹果2.4元。

回答(4):

(1)30-7.2=22.8(元)
(2)22.8÷9.5=2.4(元)

回答(5):

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