5十△=7,〇一△=8,△=2个〇,〇=3个口,△=?○=?△=?个口

2025-06-22 12:56:21
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回答1:

5十△=7,〇一△=8,
△=7-5=2
〇=8+2=10
△=2个〇,〇=3个口,
△=2×3=6个口