Question

va rog rezolvați! dau coroana!

Answer 1

-rad3·(-rad4/3)=-rad3·(-2/rad3)=-rad3·(-2rad3/3)=3rad3/3=rad3

rad7·21/rad15·5=rad147/rad75=7rad3/5rad3=7/5

rad9·4/rad2·7=rad36/rad14=6/rad14=6rad14/14=3rad14/7

rad28·70/rad10=rad1960/rad10=rad196=14

rad121·rad100/rad100 =11·10/10=11

rad16·9/rad10·10=rad144/rad100=12/10=1,2

rad10·5/rad10=rad50/rad10=5rad2/rad10=rad20/2

rad3·rad3/rad9=2rad3/3

rad99·rad275/rad99=3rad11·5rad11/3rad11=8rad11/3rad11=8/3

rad13-1/rad9·rad1/rad9=rad12/3·1/rad8=2rad3/2rad2=rad3/3rad2

rad13·(-2rad13)=-3rad13

-rad6·(-5/rad6)=-rad6·9-5rad6/6)=6rad6/6=rad6