13×(500)+10×(400)をして両辺を揃えます!
xとyに500と400を代入すれば10x+11yの方も解けると思います!
分かりづらかったらごめんなさい💦
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13×(500)+10×(400)をして両辺を揃えます!
xとyに500と400を代入すれば10x+11yの方も解けると思います!
分かりづらかったらごめんなさい💦
Users viewing this question
are also looking at these questions 😉