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A+b+c=135
a÷c=12 rest 1
b÷c=31rest 2
A=?
B=?
C=?


Răspuns :

A+b+c=135
a÷c=12 rest 1
b÷c=31rest 2
a=12c+1
b=31c+2
12c+1+31c+2+c=135
44c=132
c=132/44
c=3
a=12•3+1
a=37
b=31•3+2
b=95
.
a : c = 12 rest 1
a = 12c + 1
b : c = 31 rest 2
b = 31c + 2
12c + 1 + 31c + 2 + c = 135
44c = 135 - 3
c = 132 : 44
c = 3
a = 12 * 3 + 1
a = 37
b = 31 * 3 + 2
b = 95