(949) 305-1705 info@areteem.org
社交网络
part of this solution is wrong:
DE should equal to AD+BC, but the solution says AE+BC
DE=AD+AE=AE+BCDE=AD+AE=AE+BCDE=AD+AE=AE+BCDE=AD+AE=AE+BC
Thanks for pointing this out. Should be updated online now.
社交网络