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3*2*(2-3)²-(-3+1)=
6*(-1)²-(-2)=
6*1+2=
6+2=
8
b)
2*8 - √9 - √(9-8)=
16-3-√1=
13-1=
12
b)2*8-√9-√1=16-3-1=12
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