25 下列以光學十字法表示之兩個透鏡,緊密接合後屈光度等同於下列何者?phpu1LUR2
(A)-1.00DS/+3.00DC×180
(B)-1.00DS/+3.00DC×090
(C)+2.00DS/-3.00DC×090
(D)+2.00DS/-1.00DC×090

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統計: A(5), B(211), C(5), D(9), E(0) #1645386