\( 10,-10,-30,\text{?} \)
\( -30 \)
\( -50 \)
\( 1,0,-1,-2,-3,-4,\text{?} \)
\( -5 \)
\( -7 \)
\( -15,-17,-19,-21,\text{?} \)
\( -20 \)
\( -23 \)
\( -16,-22,-28,-34,\text{?} \)
\( -36 \)
\( -40 \)
10,−10,−30,? 10,-10,-30,\text{?} 10,−10,−30,?
−50 -50 −50
1,0,−1,−2,−3,−4,? 1,0,-1,-2,-3,-4,\text{?} 1,0,−1,−2,−3,−4,?
−5 -5 −5
−15,−17,−19,−21,? -15,-17,-19,-21,\text{?} −15,−17,−19,−21,?
−23 -23 −23
−16,−22,−28,−34,? -16,-22,-28,-34,\text{?} −16,−22,−28,−34,?
−40 -40 −40