1.Rozwiązaniem równania -2(x+1)+6=0
.2Wartość wyrażenia 4,2*(3 1/3 -2: 0,7)
-2(x+1)+6=0
-2x-2+6=0
-2x= -4
x= 2
4,2*(3 1/3 -2: 0,7)= 4⅕*[3⅓-2:(7/10)]=
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-2(x+1)+6=0
-2x-2+6=0
-2x= -4
x= 2
4,2*(3 1/3 -2: 0,7)= 4⅕*[3⅓-2:(7/10)]=