Matematyka 2001 str.47 z.5
Oblicz :
a) -76 -24 - 38
b) 42-(-59)-121
c)-24+51+(-78)+26
d)35-(-43-(35-42)-(-84)]
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b) 42 + 59 -121 = 101 - 121 = -20
c) -24 + 51 - 78 + 26 = 27 - 78 + 26 = -51 + 26 = -25
d) 35 - (-43 + 7 + 84) = 35 - 48 = -13
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