题目内容

计算1+2+3+…+100正确算法的伪代码是（）

A. sum=0n=1while n＜100 do sum=sum+n n=n+1end doprint sum
B. sum=0n=1while n≤100 do sum=sum+n n=n+1end doprint sum
C. sum=0n=1while n≤100 do sum=sum+1 n=n+1end doprint sum
D. sum=0n=1while n＜100 do sum=sum+1 n=n+1end doprint sum

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计算1+2+3+…+100正确算法的伪代码是（）

A. sum=0n=1while n＜100 do sum=sum+n n=n+1end doprint sum B. sum=0n=1while n≤100 do sum=sum+n n=n+1end doprint sum C. sum=0n=1while n≤100 do sum=sum+1 n=n+1end doprint sum D. sum=0n=1while n＜100 do sum=sum+1 n=n+1end doprint sum

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Henry Wadsworth Longfellow belongs to the groups of _____（）

The themes of A Psalm of Life can be concluded as____（）

Which value can be positive, negative, or zero in the geometric properties of the section（）

A. sum=0n=1while n＜100 do sum=sum+n n=n+1end doprint sum
B. sum=0n=1while n≤100 do sum=sum+n n=n+1end doprint sum
C. sum=0n=1while n≤100 do sum=sum+1 n=n+1end doprint sum
D. sum=0n=1while n＜100 do sum=sum+1 n=n+1end doprint sum