Oblicz pamiętając o kolejności wykonywania działań:
a) 2x (-3) +6=
-5 x (-8) -16=
2 x (-5) +3 x (-2)=
8-6 x (-5)=
b)6- (-16):(-8)=
5x (-2) - (-2) x 6=
(2-6) x (-8)=
-5 x (-6-10)=
c)-3 x (-1) - (-10)x 4=
(-5-6) : (-11)=
24: (-3-5)=
(-8 + 30) : (-7 - 4)=
x - razy
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2 · ( - 3) + 6 = - 6 + 6 = 0
- 5 · ( - 8) - 16 = 40 - 16 = 24
2 · ( - 5) + 3 · ( - 2) = - 10 - 6 = - 16
8 - 6 · ( - 5) = 8 + 30 = 38
b)
6 - ( - 16) : ( - 8) = 6 - 2 = 4
5 · ( - 2) - ( - 2) · 6 = - 10 + 12 = 2
(2 - 6) · ( - 8) = - 4 · ( - 8) = 32
- 5 · ( - 6 - 10) = - 5 · ( - 16) = 80
c)
- 3 · ( - 1) - ( - 10) · 4 = 3 + 40 = 43
( - 5 - 6) : ( - 11) = - 11 : ( - 11) = 1
24 : ( - 3 - 5) = 24 : ( - 8) = - 3
( - 8 + 30) : ( - 7 - 4) = 22 : ( - 11) = - 2