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Dau coroana celui care imi rezolva ex 1

Dau Coroana Celui Care Imi Rezolva Ex 1 class=

Răspuns :

a)0.6(3/5)

b)2.5(10/4 = 5/2)

c)7.5(15/2)

d)0.5(18/36 = 1/2)

e)0.2(0.1/0.5 = 1/5)

f)0.005(0.02:4 = 2/400)

g)2.25(0.3^2 / 0.2^2 = (0.3/0.2)^2 = 1.5^2)

h)0.25(0.5/2 = 5/20 = 1/4)

i)0.(148) (3/9 = 1/3 si (un intreg si 1 pe 2)^2 = (3/2)^2 = 9/4, deci valoarea raportului este 1/3/9/4, care iti da 1/3 * 4/9 =4/27)

j)2.(7) ( 0.(5) = 5/9, iar 0.2 = 1/5, asadar ai 5/9/1/5 = 5/9 * 5 = 25/9)

k)0.5625 (  (1/8)^2 = 1/64 si (1/6)^2 = 1/36, deci ai 1/64/1/36 = 1/64 * 1/36 = 9/16)

l)0.(54)  (un intreg si 1/2 = 3/2 si 2 intregi si 3/4 = 11/4, deci ai 3/2/11/4 = 3/2 * 4/11 = 6/11)