упростите выражение
1)4<span>√2 +<span>√50 -<span>√18</span></span></span>
<span><span><span>2)<span>√3*(2<span>√3 + <span>√12)</span></span></span></span></span></span>
<span><span><span><span><span><span>3)(<span>√5 - 2</span>)в квадрате</span></span></span></span></span></span>
<span><span><span><span><span><span>4) (<span>√3 - <span>√2</span></span>)(<span>√3+<span>√2</span></span>)</span></span></span></span></span></span>
<span><span><span><span><span><span>сравните значение выражения</span></span></span></span></span></span>
<span><span><span><span><span><span>3<span>√7 и 4<span>√5</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>
</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>
</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>желательно подробно</span></span></span></span></span></span></span></span>