<span>6m-(2m+3\5)+(4m-11\20)=
=6m-2m-3\5+</span><span>4m-11\20=
=6m-2m+4m-3\5-11\20=
=8m-13\20
</span>
A-175:35=10
a-5=10
a=10+5
a=15
<span> 2cos (x-П/4) + √3 =0</span>
-0,4(x-0.785) 1.7 = 0
-0,4x -(-0.314) = 0
-0.4x +0.314 = 0
-0.4x = -0.314
x= -0.785