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I, V, X, L, C, D and M
V, L and D cannot be repeated
VIII = 8,XII = 12,L = 50,VIII + XII + L =8 + 12 + 50 = 70
LXXV,XIV=10+ (5−1)=14,LXI=50+10+1=61
∴ XIV+ LXI=14+61=75=LXXV
CLXXX CCC = 100 + 100 + 100 = 300,CXX = 100 + 10 +10 = 120
∴ CCC − CXX = 300 − 120 = 180 = CLXXX
MMM − 1000 + 1000 + 1000 = 3000
Because V cannot be subtracted from L.
XXVI=10+10+5+1=26 XXVI<27
DCXIV=500+100+10+(5−1)=614
Because V cannot be repeated.
Greatest twodigit number =99,
XCIX=100−10+10−1=99
CCC=100+100+100=300
How many match sticks are needed to make the Roman numerals equivalent to 33?
XXXIII=2+2+2+1+1+1=9
CD represents a number. If Place of the symbols are interchanged, the number will increase by:
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