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Mathematics
初中
LeQi
LeQi

求解🙏

| 1620 設a、b、c、d為正整數,~1620≒40.25,若~1620×a、 /1620+c、~1620-d √ b 均為正整數,且qb、c、d均為最小;則: (1) a= ,~1620×a= 1620 (-3) (2) b= , b (3)c= (4)d= , ~1620+c= ,~1620-d= 。
國二上數學2-1 二次方根
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