print(7 + 2) # suma
print(2 + 7) # suma
print(10 - 5) # różnica
print(5 - 10) # różnica
print(3 * 4) # iloczyn
print(4 * 3) # iloczyn
print(20 / 2) # iloraz
print(2 / 20) # iloraz
print(4 ** 2) # potęgowanie
print(2 ** 4) # potęgowanie
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