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ex 9 plsssss dau coroana

Ex 9 Plsssss Dau Coroana class=

Răspuns :

[(x-432:4 +2):5 ]x3 =120
(x-108+2):5=120:3
(x-110):5= 40
x-110=40x5
x-110=200
x=200+110
x=310 
120:3=40
40x5=200
200-2=198
198+108=306