若将D=B* B-4*A*C改为D=A*A+B*B-C*C,则D的输出结果为 ______。
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A.upB.inC.awayD.off
A. up
B. in
C. away
D. off
A.leavesB.foodC.grassD.water
A. leaves
B. food
C. grass
D. water
A.poorB.richC.tiredD.disappointed
A. poor
B. rich
C. tired
D. disappointed
A.popularB.religiousC.practicalD.useful
A. popular
B. religious
C. practical
D. useful