100-99为一组=1
98-97为一组=1
以此类推
2-1为一组=1
一共50组,答案为50
用简便的方法算出:100-99+98-97+.+4-3+2-1
用简便的方法算出:100-99+98-97+.+4-3+2-1
要有步骤
要有步骤
数学人气:668 ℃时间:2019-10-19 19:03:00
优质解答
我来回答
类似推荐
猜你喜欢
- 1关于高一化学氧化还原反应化学方程式的电子转移数目的判断
- 2在圆O中,直径AB与弦CD相交于点P,角CAB=40°,角APD=65°,求角B大小
- 3语文卷面分析怎么写(我考了71.5)
- 4Did you enjoy last night`s concert?yes,though the last piece _rather poorly.应该填played还是was pla
- 5七年级上册数学计算题和答案
- 6What does your father look like? What does he always wear? What is he like?
- 7i know he failed his last test,but really he's __stupid.A something but B anything butC nothing bu
- 8cdc abc=abcd a b c d 各是多少?
- 9乙数除以甲数商是0.375,甲数与乙数的比是_,乙数是甲乙两数之和的_,如果甲乙两数的和是_,甲数是_.
- 10在山的那边 诱惑着我的山顶是什么意思