4) a×b. a×c. b×c. a×b×c
896. 1336. 74816. 299246
875. 870. 190530. 355395
270. 2520 3024. 45360
5)
A=131600.
M=103760
O=194832
R=178704s
6) a=26660
b=26660×3
=79980
c=200000-(26660+79980)
=106640-200000
=86640
7) a.100500
b.110336-100000=10336
c.32850-371=32479
sper ca te am ajutat