\(a,=3-1+\dfrac{1}{2}:3=2+\dfrac{1}{6}=\dfrac{13}{6}\\ b,=\left(-0,425\right)\cdot0,32+0,32\left(-0,575\right)\\ =0,32\left(-0,425-0,575\right)=0,32\cdot\left(-1\right)=-0,32\)
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