(7/9-1/6): 2/9*21/22 7/8+5/8*1/3+2/3 (1/6+3/14): - вопрос №385244679162921227858132316314521114 от katyaarxipova 05.03.2020 16:15

Question

Математика: (7/9-1/6): 2/9*21/22 7/8+5/8*1/3+2/3 (1/6+3/14): (5/21-1/14

katyaarxipova · Answer

(7/9 - 1/6) : 2/9 * 21/22 = 2 5/81) 7/9 - 1/6 = 14/18 - 3/18 = 11/182) 11/18 : 2/9 = 11/18 * 9/2 = 11/43) 11/4 * 21/22 = 21/8 = 2 5/87/8 + 5/8 * 1/3 + 2/3 = 1 3/41) 5/8 * 1/3 = 5/242) 7/8 + 5/24 = 21/24 + 5/24 = 26/24 = 1 2/24 = 1 1/123) 1 1/12 + 2/3 = 1 1/12 + 8/12 = 1 9/12 = 1 3/4(1/6 + 3/14) : (5/21 - 1/14) = 2 2/71) 1/6 + 3/14 = 7/42 + 9/42 = 16/42 = 8/212) 5/21 - 1/14 = 10/42 - 3/42 = 7/42 = 1/63) 8/21 : 1/6 = 8/21 * 6/1 = 48/21 = 2 6/21 = 2 2/7...