Răspuns :
Răspuns:
1. 753:8=94
909:3=303
94+483=577
577-303=274
274-100=174
d=274
2.
Răspuns:
94+483-303-d=100
577-303-d=100
274-d=100
d=274-100
d=174
c:8+621-674=734
c:8+621=734+674=1408
c:8=1408-621=787
c=787×8
c=6295
e:388:4+603:3-506=224
e:388:4+201-506=224
e:338:4+201=224+506=830
e:338:4=830-201=629
e:338=629×4=2516
e=2516×338
e=850408