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  5. 数学 答えを教えてほしいです🙇‍♀️
Mathematics
Junior High
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Dove
Dove

数学

答えを教えてほしいです🙇‍♀️

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✨ Best Answer ✨

ぽきぃー
ぽきぃー

比例式で解きましょう。
20:16＝90:x
5:4＝90:x
x＝72 72kg

Dove
Dove

ありがとうございます !!

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