1.A complementing circuit selects either the subtracter output or the output of the complementing circuit .
取补线路可任意选通减法器的输出或补取线路的输出。
2.If the fibrinogen subtracter may lose the textile fiber egg from original preparation.
若纤维蛋白原减少者可输纤维蛋自原制剂。
3.Add the difference and the subtracter. If the answer equals the minuend, you're right.
方法一：用算出的差和减数相加，看是不是等于被减数。