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a fost răspuns

5a+9b=?
Daca:
a=111
b=222


8c+2d=?
Daca:
c=1
d=100



Aflati:
a+b+c+d

Răspuns :

AncaTeo1
a)5•111+9•222=555+1998=2553
b)8•1+2•100=8+200=208
a+b+c+d=111+222+1+100=434
MariaDN
5a+9b=5×111+9×222=555+198=2553

8c+2d=8×1+2×100=8+200=208

a+b+c+d=111+222+1+100=434

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