2)9х=1 х=1/9
4)1/2х=1 х= 2
6) 3×2/5х=1 17/5х=1 х=5/17
8) 2/13х=1 х=13/2 = 6×1/2
6,26-1,02-4,7263+0,7701+0,13-0,5=0,9138
<span>sin35</span>°<span>cos10</span>°<span>+cos35</span>°<span>sin10</span>°<span> = sin(35</span>°<span>+10</span>°<span>) = sin45</span>° = (√2)/2