In the last 20 years, it seems that computers have taken over. They're in our homes, they're in our hands... darn it, they're soon going to be in our heads, for sure!
21 3.5 10 28 Simplifique a fração 45/60: 3/4 2/3 5/6 4/5 Subtrair: 7/8 - 3/4 1/8 1/4 1/2 16/01 Qual é a soma dos ângulos internos de um pentágono?
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