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Raresh18
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[(x+3)÷200+90]÷10-10=0 calculati

Răspuns :

[(x+3)/200+90]/10= 0+10 =10
[(x+3)/200+90]=10 * 10=100
(x+3)/200= 100-90=10
x+3= 10*200=2000
x= 2000-3=1997