S1英文數學功課

🎓 學業台教學

[匿名]

2013-09-16 3:55 am

find the H.C.F. of each of the following pairs of numbers.
a) 25 and 45
b) 14 and 75
c) 26 and 78
d) 48 and 120

回答 (3)

鍚霖

2013-09-17 2:23 am

u can write the steps as
factors of 25:1,5.....
until the answer of the other users gave u

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Rachel

2013-09-17 12:15 am

a) 25=5*5
45=5*9
the H.C.F.=5

b) 14=1*14
75=1*75
the H.C.F.=1
c) 26=26*1

78=26*3

the H.C.F.=26
d)48=24*2
120=24*5
the H.C.F.=24

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[匿名]

2013-09-16 4:12 am

H.C.F=highest common factor (最大公因數)
要找最大的因數
a)5

b)7

c)13

d)24

參考: Me

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