la a
m=1+√9/√100
m=1+3/10
m=1+0.3
m=1.3
n=2-√49/√25
n=2-7/5×20
n=2-140/100
n=2-1.4
n=0.6
1.3+06=1.9
la b
m=2/5×20+√25/√4
m=40/100+5/2
m=0.4+2.5
m=2.9
n=0.6-√625/√100
n=0.6-25/10
n=0.6-2.5
n=-1.9
2.9+(-1.9)=
=2.9-1.9=1
scz de intarziere dar scriu greu sper ca te am ajutat :)
