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Calculati:
100-2x2x8-(35:a+15):4=63


Răspuns :

Răspuns:

100-2x2x8-(35:a+15):4=63

100-32-(35:a+15):4=63

68-(35:a+15):4=63

(35:a+15):4=68-63

(35:a+15):4=5

(35:a+15):4=4x5

35:a+15=20-15

35:a=5

a=35:5

a=7