Question

кводратные корни вычисление

Answer 1

2) 1)=sqrt(81/900)=9/30=3/10: 2)=1/3* 0,8-2=4/15; 3)=7* 2/7=2; 4)=sqrt(49)=7

Answer 2

√81:√900=9:√9*√100=9:3*10=9:30=3:10=0.3
1/8*√0.64-2=1/8*8/10-2=8/80-2=1/10-2=-1.9
7*√(4/49)=7*2/7=14/7=2
√(4²+33)=√(16+33)=√49=7