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a). (-2)- 3 x 5 =-2-3x5= -2-15=-17
b).(-8) : 4- 2 =-8:4-2=-2-2=-4
c). 12 : (-2) - (-3)=-6-(-3)=-6+3=-3
d).(-2){do potęgi trzeciej} x 3 - 25 =-8x3-25=-24-25=-49
e).(-15) : 3 - 5 x (-1) = -5-(-5)=-5+5=0
f). 3 x (-7) - 7 x (-2)=-21-(-14)=-21+14=-7
g).6 x (-4) + 5x (-9)=-24+(-45)=-69
h).(-18): 9 - (-27) : (-1)= -2-27=-29
a) -2 - 15 = -17
b) -2 - 2 = -4
c) -6 - (-3) = 9
d) -8 * 3 - 25 = - 24 - 25 = - 49
e) -5 +5 = 0
F) -21 + 14 = -7
g) -24 - 45 = -69
h) - 2 - 27 = -29