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0,4*-2-2=-2.8
0,4*2-2=1,2
-2*-6-6=6
-2*0-6=-6
-2*6-6=-18
½*-1+1=1/2
½*0+1=1
½*1+1=1,5
-½*-2+2=3
-½*2+2=1
Jeśli:
Mnożymy (+)*(+)=(+)
Mnożymy (-)*(-)=(+)
Mnożymy (+)*(-)=(-)
Mnożymy (-)*(+)=(-)
0,4*-2-2=-0,8-2=-2,8
0,4*2-2=0,8-2=-1,2
-2*-6-6=12-6=6
-2*0-6=0-6=-6
-2*6-6=-12-6=-18
½*-1+1=1/2
½*0+1=1
½*1+1=1,5
-½*-2+2=3
-½*2+2=-1+2=1