Ответ:а) \(\sqrt{0.36}+\sqrt{0.01}=0.6+0.1=0.7\).б) \(\frac18\sqrt{0.64}-1=\frac18\cdot0.8-1=0.1-1=-0.9\).в) \(-3\sqrt{0.49}+2.6=-3\cdot0.7+2.6=-2.1+2.6=0.5\).г) \(0.4\cdot\sqrt{0.04}=0.4\cdot0.2=0.08\).