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d) 42:7 + (6 +6): 2 - 24: (5 + 3)
1:45 || (25+20) :5-(19+5): 8
:3) f) 10+(10:10 + 10) - (10 x 1 + 10)​


Răspuns :

Răspuns:

la prima este 6+12:2-24:8=6+6-3=6+3=9

10+(1+10)-(10+10)=10+11-20=21-20=1