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標題:

中二至中三數學題(4)

發問:

1(a) Express 225 as a product of prime factors (b) Hence evaluate ㄏ225(平方根225) 2.Without using calculators, find the value of ㄏ16/9(平方根16/9)

最佳解答:

1(a) Express 225 as a product of prime factors 225 = 5x5x3x3 (b) Hence evaluate ㄏ225(平方根225) ㄏ225 =ㄏ5x5x3z3 = 5x3 = 15 2.Without using calculators, find the value of ㄏ16/9(平方根16/9) ㄏ16/9 = ㄏ(4x4/3x3) = 4/3

其他解答:C8D74AB62542840B