√16*900=?
√0.81*0.49=?
√0.64*0.04*1.21=?
√5*√45=?
√242*√8=?
√16*900=3600 √0.81*0.49=0.441 √0.64*0.04*1.21=0.03872
√5*√45=15 √242*√8=44