<span>7,42 см</span>² = 0,000742 <span>м</span>²<span>
4,84 м</span>² = 48400 <span>см</span>²<span>
3,44 см</span>²<span> = 0,0344 дм</span>²<span>
8,26 м</span>² = 8260000 <span>мм</span>²<span>
8,84 см</span>² = 0,000884 <span>м</span>²<span>
6,1 м</span>² = 61000 <span>см</span>²<span>
2,19 см</span>² = 0,0219 <span>дм</span>²<span>
3,83м</span>² = 3830000 <span>мм</span>²
(7у) / (х)- (5х) / (у) = (у*7у) / (ух)- (х*5х) / (ху) = (7у²) / (ху)- (5х²)/ (ху) = (7у²-5х²) / (ху)
0.1^(1-2x)/(x+1) predstavlyaem kk 10^(2x-1)/(x+1)>10^3
tak kak a=10>1 sledovatelno (1-2x)/(x+1)>3
-(x+4)/(x+1)>0
(x+4)/(x+1)<0
x prinadlezht promezhutku ot -4 do -1