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(8×8-32-12:k)-(40-2×10)=3×3


Răspuns :

(8X8-32-12:K)-20=9
64-32-12:K=29
32-12:K=29
12:K=32-29=3
K=12:3=4
(8×8-32-12:k)-(40-2×10)=3×3
(64-32-12:k)-(40-20)=9
(64-32-12:k)-20=9
(32-12:k)-20=9
32-12:k=20+9
32-12:k=29
12:k=32-29
12:k=3
k=12:3
k=4


Bafta!!!