默认 /// 为整除
∏e=1Aeφ(e)(C/e)∑T=1A/e(A/Te)(B/Te)∑k∣Tμ(k)\large\prod_{e=1}^Ae^{\varphi(e)(C/e)\sum_{T=1}^{A/e}(A/Te)(B/Te)\sum_{k\mid T}\mu(k)}∏e=1Aeφ(e)(C/e)∑T=1A/e(A/Te)(B/Te)∑k∣Tμ(k)
∏e=1Aeφ(e)(A/e)(B/e)(C/e)\large\prod_{e=1}^Ae^{\varphi(e)(A/e)(B/e)(C/e)}∏e=1Aeφ(e)(A/e)(B/e)(C/e)
这两个式子相等是怎么推的啊qwq
