零零亓 幼苗
共回答了22个问题采纳率:86.4% 举报
1年前
guoyichi 幼苗
共回答了3个问题 举报
回答问题
某小组一次数学测验:98 98 99 100 100 100 97 85 98 96 99 99 99 100 100
1年前2个回答
(1+100+100^2+100^3+……+100^99)/(1+2+3+……+98+99+100+99+98+……+2
100/97+100*99/97*96+100*99*98/97*96*95+……+100*99*98*97*……*5*
1年前5个回答
(100+99)(100-99)+(99+98)(99-98)+.+(2+1)(2-1)=?求巧算方法
1年前1个回答
1-100+2-99+3-98+.+98-3+99-2+100-1=?
1×100+2×99+3×98.+98×3+99×2+100×1
100×101-99×100-98×99-97×98…2×3-1×2=?
1年前3个回答
100×100-99×99+98×98-97×97+…+2×2-1×1.
100*101-99*100+98*99-97*98+...+2*3-1*2
100*100-99*99+98*98-72*72+...+2*2-1*1=?
1年前4个回答
3*(1*2+2*3+3*4+.99*100)等于 A、97*98*99 B、98*99*100 C、99*100*10
100分之100×99,100分之99×98,100分之98×97……100分之3×2,100分之2×1,
计算:1-100+2-99+3-98+…+98-3+99-2+100-1
计算:1-100+2-99+3-98……+98-3+99-2+100-1
100+99+98…+2+1+1+2…+98+99+100=?求简便算法
1年前6个回答
计算题1-100+2-99+3-98+.+98-3+99-2+100-1
1×2+2×3+3×4.+98×99+99×100和1×2×3+2×3×4+.+98×99×100
1*2*3+2*3*4+3*4*5+4*5*6+.+97*98*99+98*99*100+99*100*101
100*100-99*99+98*98-97*97+96*96-95*95+...+2*2-1*1
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分析句子成分student should check carefully that they are eligible
参观上海科技馆 作文
(2013•江永县二模)如图所示电路为测量小灯泡电阻的电路,这个电路的错误是( )
Water,don’t forget to insert certificate copies (CE,Rohs,LSC
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精彩回答
Looking after a baby is as _________ (挑战) as working on a new job, do you think so?
I was ____________ (被邀请) to Sally’s birthday party. It’s at her house on Saturday.
— Is this book yours?—No, it’s not ______. It’s Betty’s.
—Your father’s birthday is coming. Why don’t you get him a pair of glasses? —_______. Glasses can help him see better. A.That’s too boring. B.That’s not creative enough. C.That sounds great. D.That’s not necessary.
请你写出有关母爱的诗句俗语名言各一条。