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(5 x 9 + 9x4) - 78+ (40 : 2 - 15+ 1): 3 = (9 x 7 + 5 x 10 : 2 - (2+2 x 20 : 4 x 3 +213: 3=​

Răspuns :

Răspuns:

(45+36)-78+(20-16):3=

81-78+4:3=

1+4:3=

1+3,1=

4+1=

5