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A) 17 10 7
3 : 3 : 3 =

2 3
B) 11 • 11 • 11 =

4
C) 17 + 2• 2 =

2
D) ( 7 + 3 ) =


Răspuns :

A)3:3=1 1:3 =0.3(3)
B(11×11=121×11=1,331
c) 2×2=4 4+17=21
D)(7+3)=21