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b)-10237462876
c)-98
2. odp d)
b)-10237462876
c)-98
2. Odp. d
3. a) -3x
b)-31x
c)-6
d)-4
4.
a)1
b)-9
c)-28
d)-23
e)-6
f)-11
g)19
h)-11
;D
a) 1
b) -10237462876
c) -98
zadanie 2
-4+(-5)= -4-5=-9
odp: d) -9
zadanie 3
a) 9×-12=0
9x=12 /:9
x=1,(3)
b)-4×-27=0
-4x=27
x= -6¾
c)-42÷7= -6
d) -320÷-80= 4
zadanie 4
a)7+-6=1
b)-4+-5= -9
c)-43+15= -28
d)-26+-14+17= -23
e)3-9= -6
f)-9-2= -11
g)4--15= 19
h)-23--12= -11