Решите уравнение
а)3 3/4 : 1 1/8 = 2 1/3 : p
б)39,1:х=18,63:40,5

а)3 3/4 : 1 1/8 = 2 1/3 : p3 3/4* p = 2 1/3 * 1 1/815/4p = 7/3 * 9/815/4p = 21/8p = 21/8 * 4/15p = 7/10б)39,1:х=18,63:40,539,1:x = 0,46x = 39,1:0,46x = 85