√576 + √144 – √225 = …_.​

Jawaban:

>> 21 <<

Penjelasan dengan langkah-langkah:

> √576 + √144 – √225

= √24² + √12² – √15²

= 24 + 12 – 15

= 36 – 15

= 21

√576 + √144 – √225

_________________

√576 = 24²

= 24

√144 = 12²

= 12

√225 = 15²

= 15

_________________

24 + 12 – 15

36 – 15

= 21