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Află pe a din egalitatea:55+(18-100:a)+(8×10:5-32:4):2=67

Răspuns :

Răspuns:

10

Explicație pas cu pas:

55+(18-100:a)+(80:5-8):2=67

55+(18-100:a)+(16-8):2=67

55+(18-100:a)+8:2=67

55+(18-100:a)+4=67

55+(18-100:a)=67-4

55+(18-100:a)=63

18-100:a=63-55

18-100:a=8

100:a=18-8

100:a=10

a=100:10

a=10

55+(18-100:a)+(8×10:5-32:4):2=67

55+(18-100:a)+(80:5-8):2=67

55+(18-100:a)+(16-8):2=67

55+(18-100:a)+8:2=67

55+(18-100:a)+4=67

55+(18-100:a)=67-4

=63

18-100:a=63-55

=8

100:a=18-8

=10

a=100:10

a=10