Question

срочно!!! б,г Алгебра

Answer 1

б) $5-12 sqrt{ frac{25}{64} } =5-12* frac{5}{8} =5- frac{60}{8} =5- frac{15}{2} =5-7.5=-2.5\\3 sqrt{1 frac{7}{9} } +0.5 sqrt{0.25} =3 sqrt{ frac{16}{9} } +0.5*0.5=3* frac{4}{3} +0.25=4+0.25=4.25$