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Robertocavallip307mu
a fost răspuns

afla numerele necunoscute a+245×35=250×40 b-327×18=297×12 28×375-c=42×65

Răspuns :

Jonny34
a+245×35=250×40
a+8575=10000
a=10000-8575
a=1425
v:1425+8575=10000
b-327×18=297×12
b-5886=3564
b=5886+3564
b=9450
v:9450-5886=3564
28×375-c=42×65
10500-c=2730
c=10500-2730
c=7770
v:10500-7770=2730
a+10000=875
a=10000-8575
a=1425
b-5886=3564
b=3564+5886
b=9450
10500-c=2730
c=10500-2730
c=7770

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