⁵√243-2 ·⁵√32=⁵√(3)⁵-2·⁵√(2)⁵=3-2·2=-1
∛(54·32)-√(8·162)=∛(3³·2·2⁵)-√(8·81·2)=3·2²-4·9=12-36=-24
2868 в сантиметры не переводится нет нулей но с дробями 286.8
1) 2x-5= x+1 2x-x=1+5 x=6
2) 3(x-5)= x-3 3x-5=x+3 3x-x= 3+15 2x=18 x= 18/2 x=9
3) <span>7(х+6)=4(5х+4) 7x+42=20x+16 7x-20x= 16-42 -13x=-26 x=-26/-13 x=2
</span><span> 4) 1,5(х+8)=-4х+1 1.5x+12= -4x+1 1.5x+4x=1-12 5.5x=-11 x=-11/5.5 x=-2 </span>
<span>64*0:4-(28-28)*1+36:36*15 =15</span>
<span>1) 28-28=0</span>
<span>2)64*0=0</span>
<span>3) 0 :4 = 0</span>
<span>4) 0 - 0 = 0</span>
<span>5) 0*1 = 0</span>
<span>6)0+36 = 36</span>
<span>7) 36:36 = 1 </span>
<span>8) 1 * 15 = 15</span>
<span><span>56*1-(8*2-16:1)*(593216-7564) = 56</span></span>
<span><span>1)8*2=16</span></span>
<span><span>2)16:1=16</span></span>
<span><span>3)16-16=0</span></span>
<span><span>4)593216-7564=585652</span></span>
<span><span>5)56*1=56</span></span>
<span><span>6)0*585652=0</span></span>
<span><span>7)56-0=56</span></span>