Question

Calculeaza:2,1 (6)-1,(6)

Answer 1

(216-21)÷90-(16-1)÷9 ADUCAND LA ACELASI NUMITOR
195÷90-150÷90=45/90=1/2

Answer 2

$2,1(6)-1.(6)=\frac{216-21}{90}-\frac{^{10)}16-1}{9}=\frac{195-150}{90}=45/90=\frac{1}{2}$