Question

Ma puteti ajuta ?ex15​

Answer 1

Răspuns:

1n+n×[(3la5)-3la12:3la9×3la7]=2la0

1n+n×(3la10-3la12:3la9×3la7)=1

1n+n×(3la10-3la3×3la7)=1

1n+n×(3la10-3la10)=1

1n+n×0=1

n=1