Question

номер 146, класс 8 пж

Answer 1

√(180*40)=√7200=√3600*2=60√2
√75*12=√900=30
√72*32=√2304=48
√45*80=√3600=60
√2.5*14*4=√36=6
√4.9*360=√1764=42
√90*6.4=√576=24
√160*6.4=√1024=32