Odpowiedź:
a. (-9)•(-5):15=45:15=3
b. 100:(-5)-(-7)=-20+7=-13
c. 7+(-7)+(-3)^2=7-7+9=0+9=9
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Odpowiedź:
a. (-9)•(-5):15=45:15=3
b. 100:(-5)-(-7)=-20+7=-13
c. 7+(-7)+(-3)^2=7-7+9=0+9=9