а)5×sqrt (16×2)=5×4×sqrt2=20×sqrt2
б)-1/22×sqrt (2×121)=-1/22×11×sqrt2=-1/2×sqrt2
в)-0,04×sqrt (2×2500)=-0,04×50×sqrt2=-2×sqrt2
г)0,02×sqrt (2×144)=0,02×12×sqrt2=0,24×sqrt2
а)5×sqrt (16×2)=5×4×sqrt2=20×sqrt2
б)-1/22×sqrt (2×121)=-1/22×11×sqrt2=-1/2×sqrt2
в)-0,04×sqrt (2×2500)=-0,04×50×sqrt2=-2×sqrt2
г)0,02×sqrt (2×144)=0,02×12×sqrt2=0,24×sqrt2