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15-{3+[64-2×(29-29:m)]:7}=10
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Răspuns :

15-/______________/=10
/__/=15-10
/__/=5

3+[64-2×(29-29:m)]:7
3+/____________/=5
/__/=2

[64-2×(29-29:m)]:7=2
/____________/=7×2

/____________/=14

64-2×(29-29:m)=14
64-/________/=14
/_____/=64-14
/_____/=50
2×(29-29:m)=50
2×/______/=50
/_____/=50:2
/_____/=25

29-29:m=25
29:m=29-25
29:m=3
m=29:3
m=9rest2

/_____/=acolada