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【简答题】
观察下面的几个算式: 13×17=221可写成100×1×(1+1)+21; 23×27=621可写成100×2×(2+1)+21; 33×37=1221可写成100×3×(3+1)+21; 43×47=2021可写成100×4×(4+1)+21; … 根据上面规律填空: (1)83×87可写成______. (2)(10n+3)(10n+7)可写成______. (3)计算:1993×1997=______.
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举一反三
【单选题】采用 方法不能改善螺纹牙受力不均匀程度。
A.
增加旋合圈数
B.
悬置螺母
C.
内斜螺母
D.
钢丝螺套
【单选题】//--------------cnt_full-------------- always @(posedge clk or negedge rst_n) begin if(!rst_n) cnt_full <= 1'b0; else if(___________) cnt_full <=1'b1; else cnt_full <=1'b0; end //-------------------...
A.
cnt == 100000
B.
cnt == 1000000
C.
cnt = 1000000
D.
cnt = 100000
【单选题】It’s easy for some women to be ________ by products promising to help lose weight soon.
A.
brought in
B.
brought up
C.
taken on
D.
taken in
【简答题】It's easy to lose sight of _______
【单选题】__________ usually results in a water shortage that seriously interferes with干涉,妨碍 human activity. Its seriousness depends on the degree of the water shortage, size of area affected, and the duration持...
A.
volcano
B.
earthquake
C.
hurricanes
D.
drought
E.
tsunami
F.
floods
【单选题】在以下方法中,____不能够改善螺母的各螺纹之间载荷分布不均匀现象。
A.
增加螺母圈数
B.
把螺母结构做成受拉的悬置螺母
C.
采用钢丝螺套
D.
采用内斜螺母
【单选题】__________ are caused by a sudden shift/movement deep under ground in the Earth ’ s tectonic 地壳构造的 plates. On the surface, we see this as the shaking of the ground, causing damage to poorly built stru...
A.
volcano
B.
earthquakes
C.
hurricanes
D.
drought
E.
tsunami
F.
floods
【单选题】__________ are caused by a sudden shift/movement deep under ground in the Earth’s tectonic地壳构造的 plates. On the surface, we see this as the shaking of the ground, causing damage to poorly built structu...
A.
volcano
B.
earthquake
C.
hurricanes
D.
drought
E.
tsunami
F.
floods
【简答题】Women are easy to be _______ by the products claiming to help them lose weight in a week. A.taken back B.taken away C.taken in D.taken out
【简答题】cnt=0 while(x!=1){ cnt=cnt+1 if(x&1==0) x=x/2 else x=3*x+1 } count$amp 当n=11时,输出:() a、12 b、13 c、14 d、15
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