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Calculeaza suma numerelor a b c d stiind ca : a = 21 + 47 + 93
b = 112+193 + 100
c = 545-423
d = 100


Răspuns :

 a=21+47+93a = 161
b=112+193+100b = 405
c=545-423,
c = 122
d = 100
a+b+c+d = 
161 + 405 +122 +100=
=566 +122 + 100 = 
=688 + 100= 
=788
a=161
b=405
c=122
d= 100
a+b+c+d=788