There are 3 rods of lengths84,108,144cm these rods are to cut into piece of equal length find the largest possible length of each rod.请说应怎做?

2015-08-30 5:54 am

回答 (1)

2015-08-30 7:29 am

84 = 2² x 3 x 7
108 = 2² x 3³
144 = 2⁴ x 3²

H.C.F. of 84, 108, 144 = 2² x 3 = 12

The largest possible length of each rod = 12 cm

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