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Afla num. necunoscut 78:a=9,rest6 66:a=7rest3 84:c=9rest3 m:9=6rest4 n:8=6 rest 5 b:7=7rest4 58:c=7 rest 2 d:6=7 rest 2a:5=9 rest 3 Dau coroana Va rog imi trebuie unrgentt

Răspuns :

Cocirmariadenis
78:a=9 rest 6
(78-6):9=72:9=8
78:8=9 rest 6

 66:a=7rest3
(66-3):7=63:7=9
66:9=7 rest 3
 
84:c=9rest3
(84-3):9=81:9=9
84:9=9 rest 3

m:9=6rest4
m=9x6+4=54+4=58
58:9=6 rest 4

 n:8=6 rest 5
n=6x8+5=48+5=53
53:8=6 rest 5

b:7=7rest4
b=7x7+4=49+4=53
53:7=7 rest 4

58:c=7 rest 2
(58-2):7=56:7=8
58:8=7 rest 2

d:6=7 rest 2
d=7x6+2=42+2=44
44:6=7 rest2

a:5=9 rest 3
a=9x5+3=45+3=48
48:5=9 rest 3 

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