a.I____I
b.I____I2I
c.I____I2I2I
d.I____I2I2I2I
Suma este 88.
88-12=76 suma partilor egale
76:4=19 ( a )
19+2=21 ( b )
19+4=23 ( c )
19+6=25 ( d )
Verificare : 19+21+23+25=88

Răspunsuri

  • Utilizator Brainly
2014-03-14T11:29:24+02:00
2014-03-14T11:34:23+02:00
A+b+c+d=88   k+2+k+4+k+6+k+8=88   k=17   a=17+2=19  b=21 c=23 d=25
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