А)1/4+3/8*1 2/3 б)1 1/6 *3/14-1/10 в)3 1/6 *1 1/2-4 - вопрос №384479414381231163141103161124 от julylana 25.06.2022 14:46

Question

Математика: А)1/4+3/8*1 2/3 б)1 1/6 *3/14-1/10 в)3 1/6 *1 1/2-4 решить заранее !

julylana · Answer

а)1/4+3/8*1 2/3 = 1/4 + 3/8 * 5/3 = 1/4 + 5/8 = 2/8 + 5/8 = 7/8;

б)1 1/6 *3/14-1/10 = 7/6 * 3/14 - 1/10 = 1/6 - 1/10 = 10/60 - 6/60 = 4/60 = 1/15;

в)3 1/6 *1 1/2-4 = 19/6 * 3/2 - 4 = 19/4 - 4 = 4 3/4 - 4 = 3/4;