Va rog mult e urgent sau coroana si multe puncte!!!!Macar primele 2 probleme!!!!
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a) h=√5×20=√100=10 cm
b) h=√x×4x=√4x²=2x
c) h=√16×9=√144=12 cm
d) h=√2,7×1,2=√3,24=1,8 cm
e) √3×3√3=3×3=9
h=√9=3 dm