Question

calculem o valor das expreçoes : a)3²+5= b)3+5²= c)3²+5²= d)5²‐3²= e)18‐7⁰= f) 5³‐2²= g)10+10²= me ajudem pfvr​

Answer 1

a) 3² + 5 = 3 . 3 + 5 = 9 + 5 = 14

b) 3 + 5² = 3 + 5 . 5 = 3 + 25 = 28

c) 3² + 5² = 3 . 3 + 5 . 5 = 9 + 25 = 34

d) 5² - 3² = 5 . 5 - 3 . 3 = 25 - 9 = 16

e) 18 - 7⁰ = 18 - 1 = 17

f) 5³ - 2² = 5 . 5 . 5 - 2 . 2 = 125 - 4 = 121

g) 10 + 10² = 10 + 10 . 10 = 10 + 100 = 110