hasil dari 1 / akar 2 + akar 5 - akar 7

1/✓2+✓5-✓7 = (✓2=1.4)+(✓5=2.2)-(✓7=2.6)
=1/1.4=0.7
= 0.7+2.2-2.6= 0.3
sry agak ribet