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Oblicz
9×3+45=
17+9×4=
5×4+7×8=
(45-13):8=
9×7+72:8=
(25+17):(89-82)=​


Odpowiedź :

9 • 3 + 45 = 27 + 45 = 72

17 + 9 • 4 = 17 + 36 = 53

5 • 4 + 7 • 8 = 20 + 56 = 76

(45 - 13) : 8 = 32 : 8 = 4

9 • 7 + 72 : 8 = 63 + 9 = 72

(25 + 17) : (89 - 82) = 42 : 7 = 6