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Clasa a 4-a,

{15*4-180:[141-(86-a:12)+12]-9} - {24:6+[12*3-(72:4-12)] + [6*6-(100:5-6)-4]:2}=17



Răspuns :

{15*4-180:[141-(86-a:12)+12]-9} - {24:6+[12*3-(72:4-12)] + [6*6-(100:5-6)-4]:2}=17


{60-180:[141-(86-a:12)+12]-9} - {4+[36-(13-12)] + [1-(20-6)-4]:2}=17


{60-180:[141-(86-a:12)+12]-9} - [4+(36-1) + (1-14-4):2]=17


{60-180:[141-(86-a:12)+12]-9} - [4+35 + (-13-4):2]=17
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