□+○+△=35□+○+△+△=45□+○+○+△=55□○△分别是几

2025-06-26 22:22:10
推荐回答(1个)
回答1:

令□=x,,○=y,△=z
则有
x+y+z=35
x+y+z+z=45
x+y+y+z=55
解得x=5 y=20 z =10
即□=5 ○=20 △=10