November 2018 1 30 Report
Calcula:
a) (+2)•(-7+3) – 5•(8-6) =
b) 14:7 – 24:3 + 6:2 =
c) 3 – 2 • (7-4) - 3 • (6-9) =
d) (-5)• (-8) - 7 • (-3) - (-2)3 + (-1)58=

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