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Afla numerele necunoscute:a) 354 plus x egal 867 b)x- 274 egal 203 c)789-x egal 323

Răspuns :

Fabi8
354+x=867
x= 867-354
x= 513

x-274=203
x= 203+274
x=477

789-x=323
x=789-323
x=466
a)354+x=867
x=867-354
x=513
b)x+274=203
x=274-203
x=71
c)789-x=323
x=789-323
x=463

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