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a) -2:(7-11)=-2:-4=0,5b) 6-(-7) x (-2) : -4=6-14:-4=6+3,5=9,5c) (-2- 4) x (-6) : (-3) do potęgi 2=-6x(-6):9=4d) (-3) x (-2 -10) - 5 : 7-9=(-3)x(-12)+0,7-9=36+0,7-9=27,7e) (-2) do potęgi 3 + 45 :( - 3 do potęgi 2 )=-8+45:9=-8+5=-3f) 15 - ( - 2) x 4 : - 11 + 4 + 5-2:2-3=15-8:-11+4+5-1-3=15+0,7+4+5-1-3=20,7g) (-2) x 1-4 : 4=-2-1=-1h) 12-20 : 2 x 3=12-10x3=12-30=-18i) -8+4 : 3 x 6 : -1+3=-8+8:-1+3=-8-8+3=-13
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a) -2:(7-11)=-2:-4=0,5
b) 6-(-7) x (-2) : -4=6-14:-4=6+3,5=9,5
c) (-2- 4) x (-6) : (-3) do potęgi 2=-6x(-6):9=4
d) (-3) x (-2 -10) - 5 : 7-9=(-3)x(-12)+0,7-9=36+0,7-9=27,7
e) (-2) do potęgi 3 + 45 :( - 3 do potęgi 2 )=-8+45:9=-8+5=-3
f) 15 - ( - 2) x 4 : - 11 + 4 + 5-2:2-3=15-8:-11+4+5-1-3=15+0,7+4+5-1-3=20,7
g) (-2) x 1-4 : 4=-2-1=-1
h) 12-20 : 2 x 3=12-10x3=12-30=-18
i) -8+4 : 3 x 6 : -1+3=-8+8:-1+3=-8-8+3=-13