a fost răspuns

2,1(3) · 3/2 la puterea a 5-a + ( 1/2-1/5)² · 2²
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Răspuns :

2,1(3)=(213-21)/90=192/90 simplificam=32/15
32/15·3/32+[(5-2)/10]²·4=
simplificM
1/5+9/100·4=1/5+36/100=(20+36)/100=56/100 SIMPLIFICAM=14/25=0,56

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