Răspuns :
Răspuns:
a) 2000 - 1237 = 763
verificare: 763 + 1237 = 200
b) 1732 + 154 = 1886
verificare: 1886 - 154 = 1732
c) 457 - 104 = 353
verificare: 457 - 353 = 104
d) 743 - 349 = 394
verificare: 349 + 394 = 743
Răspuns:
a)x+1237=2000
x=2000-1237
x=763
b)x-154=1732
x=1732+154=1886
c)457-x=104
x=104+457=561
d)349+x=743
x=743-349=593