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a fost răspuns

(30×2-4×5):4×16+(648:9-23+7×3

Răspuns :

Mikelina
(60-20):4×16+(72-23+21)=40:4×16+70=10×16+70=160+70=230
(30·2-4·5):4·16+(648:9-23+7·3)=
(60-20):4·16+(72-23+21)=
40:4·16+70=
10·16+70=
160+70=
230