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(144:x-4):2-3=1 afla nr necunoscut

Răspuns :

(144:x-4):2=4
144:x-4=8
144:x=12
x=12
Mai2001
( 144:x-4):2-3= 1
( 144:x-4):2= 1+3
( 144:x-4):2= 4
144:x-4 = 4*2
144:x-4= 8
144:x= 8+4
144:x= 12
x= 144:12
x= 12

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