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m:7=21 rest 3

151:n=3 rest 1 m:n=?


Răspuns :

m : 7 = 21 rest 3
m = 21 × 7 + 3
m = 150
150 : 7 = 21 rest 3

151 : n = 3 rest 1
n = 151 : 3 + 1
n = 50 rest 2