Răspunsuri

  • Utilizator Brainly
2014-04-08T15:34:18+03:00
A-b=40
a=bx5
bx5-b=40
4b=40
b=40:4
b=10
a=10x5
a=50
Verificare : 50-10=40
2014-04-08T16:27:07+03:00
A-b=40
a=bx5
bx5-b=40
4b=40
b=10
a=40+10=50 sau 10x5=50
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