Odpowiedź:
13
b) 27 + (-82) + (-18) + 33 = (-100) + 60 = 40
c) (-2,5) + 3 + (-0,5) + 2 = (-3) + 5 = 2
14
a) 10 - 7 + 28 - 6 - (-4) = 10 - 7 + 28 - 6 + 4 = 3 + 28 - 6 + 4 = 31 - 6 + 4 = 25 + 4= 29
c) 1600 - 4340 - 1200 = (-2740) - 1200 = -3940
e) -14 + 38 - 6 -[-(-20)] = -14 + 38 - 6 - 20 = 24 - 6 - 20 = 18 - 20 = -2
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Odpowiedź:
13
b) 27 + (-82) + (-18) + 33 = (-100) + 60 = 40
c) (-2,5) + 3 + (-0,5) + 2 = (-3) + 5 = 2
14
a) 10 - 7 + 28 - 6 - (-4) = 10 - 7 + 28 - 6 + 4 = 3 + 28 - 6 + 4 = 31 - 6 + 4 = 25 + 4= 29
c) 1600 - 4340 - 1200 = (-2740) - 1200 = -3940
e) -14 + 38 - 6 -[-(-20)] = -14 + 38 - 6 - 20 = 24 - 6 - 20 = 18 - 20 = -2