√(4*3)**√(16*5)/√(9*30)=2√3*4√5/(3*√5*√2*√3)=8/3√2=4√2/3
√180*√360/√80=√(36*5)*√(36*10)/√(16*5)=6√5*6√10/4√5=9√10
√216*√80/√270=√(36*6)*√(16*5)/√9*30)=8√30/√30=8
<span>√8*√675/√60=</span>√(4*2)*√(25²)/√(4*15)=25√2/√15=25√30/15=5√30/3
4/3Х +2/3 = 2Х -1
4Х + 2 = 3(2Х-1)
4Х +2 = 6Х -3
4Х -6Х = -3-2
-2Х = -5
2Х = 5
<u>Х = 2,5</u>