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a)6(a+2h)-3(2a-3b)=6a+12h-6a+9b=12h+9b =12*0,1+9*-0,1=1,2-0,9=0,3
Dla a=o,25 b=-4
b)4(6+3)+3(a-b)=24+12+3a-3b=36+3*0,25-3*(-4)=36+0,75+12=48,75
Dla b=-1 c=7
c)7(b+c)-3(6+2c)=7b+7c-18-6c=7b+c-18=7*(-1)+7-18=-7+7-18=-18
Dla a=-2 b=3c=-4
d)5(a+3)+2b-3(a+b)= 5a+15+2b-3a-3b=2a-b+15=2*(-2)-3+15=-4-3+15=8
a)6(a+2h)-3(2a-3b)=6a+12h-6a+9b=12h+9b =12*0,1+9*-0,1=1,2-0,9=0,3
Dla a=o,25 b=-4
b)4(6+3)+3(a-b)=24+12+3a-3b=36+3*0,25-3*(-4)=36+0,75+12=48,75
Dla b=-1 c=7
c)7(b+c)-3(6+2c)=7b+7c-18-6c=7b+c-18=7*(-1)+7-18=-7+7-18=-18
Dla a=-2 b=3c=-4
d)5(a+3)+2b-3(a+b)= 5a+15+2b-3a-3b=2a-b+15=2*(-2)-3+15=-4-3+15=8