instruction: In order to assess my understanding of roman numbers , I would like to use math tests app to practice the roman numbers questions

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active_application: Math Tests

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      text: "Basic numbers look like this:\n1 - I\n2 - II\n3 - III\n4 - IV\n5 - V\n6 - VI\n7 - VII\n8 - VIII\n9 - IX\n10 - X\n15 - XV\n20 - XX\n40 - XL\n50 - L\n60 - LX\n80 - LXXX\n100 - C\n200 - CC\n300 - CCC\n400 - CD\n500 - D\n700 - DCC\n900 - CM\n\nHow to form a number:\nA symbol placed after another of equal or greater value adds its value:\nII=I+I=1+1=2\nIII=I+I+I=1+1+1=3\nLXXX=L+X+X+X=50+10+10+10=80\nMDCXXI=1,000+500+100+10+10+1=1,621\n\nA symbol placed before one of greater value subtracts its value:\nIV = V − I = 5 − 1 = 4\nXC = C − X = 100 − 10 =90\n\nNo digit is repeated in succession more than thrice. The digits I, X and C can be repeated up to three times in succession to form the numbers. V, L and D are not repeated at all."
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