单词	escenter of a Lobachevskian triangle
释义
随便看	congruence on a semiring congruence pair congruence-permutable algebra congruence permutable variety congruence relation congruence relation congruence relation of a Boolean algebra congruence subgroup congruence subgroup congruence subgroup problem congruence with respect to double modulus congruent bilinear forms congruent canonical form of complex symmetric matrices congruent canonical form of real symmetric matrices congruent canonical form of symmetric matrices congruent decision of a right triangle congruent figures congruent figures congruent figures of converse direction congruent figures of mirror image congruent figures of mirror image congruent figures of negative direction congruent figures of positive direction congruent figures of same direction congruent imbedding

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