Mathematics
Senior High

解く過程教えてください🙏🏻
解き方を考えるコツとかあるんですか?

4⑳ 22一2(二1)一3z十3(娘十1) ⑤ (g+8-7》ー(g一5+7) (⑯ *のゆートッs+2人テー

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