Răspuns :

Răspuns:

Ex 1.

X<Y

12,13,14,15,16,17,18,19

23,24,25,26,27,28,29

34,35,36,37,38,39

45,46,47,48,49

56,57,58,59

67,68,69

78,79

89

Ex 2.

32:16+{76-2*[(20+4*5):5]=

2+[74*(40:5)=

2+(74*8)=

2+592 =594

Ex 3.

X:6=c,r

C=r

7:6=1 r 1

14:6=2 r 2

21:6=3 r 3

6*4=24+4=28

28:6=4 r 4

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