摘要:
under ,behind ,opposite;
up, over,through etc;
on ,at ,by ,with ,about;
动词+介词 listen to... look at... etc.(verb+preposition);
动词词组1 go in, fall off, run away etc(动词词组);
动词词组2 put on your shoes, put your shoes on(动词词组) 阅读全文
摘要:
A * B) mod C = (A mod C * B mod C) mod C 乘法示例: 让 A=4, B=7, C=6 让我们验证:(A * B) mod C = (A mod C * B mod C) mod C LHS= 等式的左边 LHS= 等式的右边 LHS = (A * B) mod 阅读全文