Question

calcule:a) 7 . √81 (b) √100 + √49 (c) o tripo da raiz de 400

Answer 1

a) 7 . √81
7.9
= 63


b) √100 + √49
10 + 7
= 17


c) o triplo da raiz de 400

3.√400
3.20
= 60



Abraços õ/