Verified answer

Ответ:

НСК(84;90)=2•3•2•3•5•7=1260

НСД(132;180;144)=2•2•3=12

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НСК(84;90)

84:2:2:3:7

90:2:3:3:5

НСД(132;180;144)

132:2:2:3:11

180:2:2:3:3:5

144:2:2:2:2:3:3