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Completeaza cu ,,+s''au,, -''

33...22=88...33→...=...
64...13=79...28→...=...

33...14=25...22→...=...
75...13=50...12→...=...


Răspuns :

33+22=88-33.->55=55 64-13=79-28->51=51 33+14=25+22->47=47 75-13=50+12->62=62
33 + 22 egal cu 88 -33

64 - 13 egal cu 79 - 28

33 +14 egal cu 25 + 22

75 -13 egal cu 50 + 12