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(-27-3):(-6)-1
-30:(-6)-1=5-1=4
b) -5 - (-2² × 3) : 2 = -5-(4*3):2=-5-12:2=-5-6=-11
c) [9-7)² - 3²] : (-2)³ = (4-9):(-8)=-5:(-8)=5/8
d) 3 × (-1³ × 6) - (-3 × 5) : (2² -1) = 3*(-6)-(-15):3=-18+5=-13
e) [2 - (0,5)²] : [(-½)³ + ³/₂³] = (2-0,25):(-0,125+3,375)=1,75:3,25=0,538
f) [(4½)² - 9-1,5)²] × (-2½)² =(20,25-10,5)²*5=9,75²*5=95,0625*5=475,3125
lub
[20,25-(9-1,5)²]*(-2 1/2)²= (20,25-56,25)*6,25=-36*6,25=-225
b) -5 - (-2² × 3) : 2 = -5-(-4×3):2=-5-12:2=-5-6=-11
c) [9-7)² - 3²] : (-2)³ = [4-9]:(-8)=5/8
d) 3 × (-1³ × 6) - (-3 × 5) : (2² -1) = 3×(-6)-(-15):3=-18-(-5)=-18+5=-13
e) [2 - (0,5)²] : [(-½)³ + ³/₂³] = [2-0,25]:[(-⅙+4i trzy szóste]=
1,75:4⅓=dwadzieścia jeden/sześćdziesiątych
f) [(4½)² - 9-1,5)²] × (-2½)² = [20,25-7,5)²]×6,25=[12,75]²×6,25=
162,5625×6,25=1016,015625