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transforma 490568mm-723dm+98m=?mm

Răspuns :

490 568 mm-723 dm+98 m=?mm

723 dm = 72 300 mm
98 m = 98 000 mm

490 568 mm - 72 300 mm +98 000 mm =
418 268 mm + 98 000 mm=
516 268 mm
490568mm - 723dm + 98m = 490568 mm - 72300 mm + 98000mm = 516268mm