👤

Aflati x din :
a/)2*x+3 m patrati =2.03dam patrati
b)64000cm patrati:x=8 m patrati
c)1700m patrati+x=29 dam patrati
d)0,5km patrati-x=4500dam patrati
Va rog,dau puncte multee


Răspuns :

a)2,03 dam^2=203m^2
2x+3=203
2x=200
x=100m^2
b)6,4:x=8
x=6,4:8=0,8m^2
c)17+x=29
x=12dam^2
d)0,5-x=0,45
x=0,05 km^2=500dam^2