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Agarking
a fost răspuns

1.Afla numarul necunoscut:
86x24-a=1379
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b+37x62=3200
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c-85x19=987
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Răspuns :

Violettacozariuc
86×24-a=1379
2064-a=1379
a=2064-1379
a=685

Verificare :
86×24-685=1379




















b+37×62=3200
b+2294=3200
b=3200-2294
b=906


Verificare :
906+37×62=3200


















c-85×19=987
c-1615=987
c=1615+987
c=2602


Verificare :
2602-85×19=987












SUCCES !

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