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Vasilutalexandra
a fost răspuns

Calculati:

14,4:0,6-3 la patrat

2,5+3,4:7-6:0,2

20%din 60

 

Răspuns :

Wolfii
a)[tex]14,4:0,6-3 ^{2} = 144:6-9=24-9=15[/tex]
b)[tex]2,5+3,4:7-60:2=2,5+3,4:7-30=-27,5+3,4:7 => [/tex]
aducem la acelasi numitor => [tex] \frac{-27,5*7+3,4}{7} = \frac{-189,1}{7} [/tex]
c)[tex] \frac{20}{100} *60= \frac{1}{5} *60=12[/tex]

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