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104:2+5×25-78:3= b) 184-69:3+(89+99:3-2×25):2. va rog frumos

Răspuns :

a) 104:2+5x25-78:3=
=52+125-26
=177-26
=151


b) 184-69:3+(89+99:3-2x25):2=
=184-23+(89-33-50):2
=161+(56-50):2
=161+6:2
=161+3
=164

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