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(6×9-z)-3×10+16÷2=4×3×1

Răspuns :

(6×9-z)-3×10+16÷2=4×3×1
54-z -30+8 =12
54- z-22=12
32- z=12
-z=12-32
-z=-20
z= 20
Sper ca e de ajutor.
(54-Z)-3×10+8=12
54-z-38=12
54-z-38=12
Z=16-12=4