№ 1190
2 ) 4/5 * 5/2 : 6 = 2 * 1/6 = 2 /6 =1/3
4 ) 26 : 13/4 * 1/16 = 26 * 4/13 * 1/16 = 2/4 = 1/2
6 ) 8/7 * 3/4 : 3/10 = 8/7 * 34 * 10/3 = 20/7
№ 1191
2) 5/4 * 2/5 -1/3 = 1/2 - 1/3 = 3/6 - 2/6= 1/6
4) 5/6 : 1/3 + 11/8 = 5/2 + 11/8 = 20/8 + 11/8 = 31/8
6 ) 7/3 : 14/9 - 5/6 = 7/3 * 9/14 - 5/6 = 3/2 - 5/6 = 9/6 - 5/6 = 4/6 = 2/3
целую часть сами укажите