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efectuează 100-25-9+18-43=
6×6+5×5=
(100-5×10)-5×5+5=​


Răspuns :

Răspuns:

100-25-9+18-43=41

6×6+5×5=36+25=61

(100-5×10)-5×5+5=

(100-50)-25+5=

50-25+5=

25+5=

30

100-25-9+18-43=
100-25-27-43=
=5

6•6+5•5=
36+25=
=61

(100-5•10)-5•5+5=
(100-50)-5•5+5=
50-5•5+5=
50-25+5=
25+5=
=30