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(-1/3) * 9=-9/3=-3
(-15) * 1/5=-15/5=-3
(-1/3) : (-5)=-1/3*(-1/5)=1/15
b) (-0,7) * (-100)=70
(-2,7) : 100=-0,027
0,09 : (-10)=-0,009
(-1,3) * 1000=-1300
Zadanie
d) 24 : 6 * (-2)=-8
24 : (6 * (-2) ) =-2
e) -12 + 4 : 2 - 8=-12+2-8=-18
(-12 + 4 ) : 2 - 8=-4-8=-12
f) 11 - 8 : 4 - 10=11-2-10=-1
(11 - 8) : (4 - 10)=3:(-6)=-1/2
Zadanie 7
a) 3/4 - 5 * (2 - 7)=0,75-25=-24,25
b) 3/2 - (7 - 3) - 10=1,5-4-10=-12,5
c) 4 - (3 - 1,5) * 2=2,5*2=5
d) (1 3/8 + 2) : 3 + 1 =27/8*1/3+1=9/8+1=2 1/8