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Isamara Ferreira de Oliveira - Uesb

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c) elevado ao quadrado dá 49<br />

d) elevado ao cubo dá 8<br />

2) Quanto vale x ?<br />

a) x²= 9 (R:3)<br />

b) x²= 25 (R:5)<br />

c) x²= 49 (R:7)<br />

d) x²= 81 (R:9)<br />

3) Determine a Raiz quadrada:<br />

a) √9 = 3<br />

b) √16 = 4<br />

c) √25 = 5<br />

d) √81 = 9<br />

e) √0 = 0<br />

f) √1 = 1<br />

g) √64 = 8<br />

h) √100 = 10<br />

4) Resolva as expressões abaixo:<br />

a) √16 + √36 = 4 + 6 = 10<br />

b) √25 + √9 = 5 + 3 = 8<br />

c) √49 - √4 = 7 - 2 = 5<br />

d) √36- √1 = 6 - 1 = 5<br />

e) √9 + √100 = 3 + 10 = 13<br />

f) √4 x √9 = 2 x 3 = 6<br />

OBSERVAÇÃO:<br />

65

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