oblicz:a) 3-15-5=
b)-7+11-6=c)5-(-12)-7+14=d)-2-(-8)-6-3=
e)1,6-2 i1/6-1=
f)-3 i 1/4+2,75-0,6=
a) 3-15-5= -12-5= -17
b) -7+11-6= 4-6 = -2c) 5-(-12)-7+14= 5+12-7+14 = 17-7+14= 10+14= 24d) -2-(-8)-6-3= -2+8 -6-3 = 6-6-3 = -3
e) 1,6-2 i1/6-1= 1 6/10 - 2 1/6 -1 = 1 36/60 - 2 10/60 - 1= 96/60 - 130/60 -1 = -34/60 -1 = -94/60 = - 1 34/60 = -1 17/30
f) -3 i 1/4+2,75-0,6= -3,25 +2,75 -0,6 = -0,5 -0,6= -1,1
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a) 3-15-5= -12-5= -17
b) -7+11-6= 4-6 = -2
c) 5-(-12)-7+14= 5+12-7+14 = 17-7+14= 10+14= 24
d) -2-(-8)-6-3= -2+8 -6-3 = 6-6-3 = -3
e) 1,6-2 i1/6-1= 1 6/10 - 2 1/6 -1 = 1 36/60 - 2 10/60 - 1= 96/60 - 130/60 -1 = -34/60 -1 = -94/60 = - 1 34/60 = -1 17/30
f) -3 i 1/4+2,75-0,6= -3,25 +2,75 -0,6 = -0,5 -0,6= -1,1