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afla nr necunoscut: 8×a=2520 b×6=1272 c÷25=31 d÷12=106 344:e=4 m÷123=408 1450÷n=25

Răspuns :

8×a=2520
A=2520÷8
A=315

B×6=1272
B=1272÷6
B=212
C÷25=31
C=31×25
C=775


D÷12=106
D=106×12
D=1272

344÷e=4
E=344×4
E=1376

M÷123=408
M=408×123
M=50184

1450÷n=25
N=1450×25
N=29000