0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01（简

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/16 06:34:02

0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01（简算）

0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01
0.99-0.98-0.97+0.96=0.01-0.97+0.96=0
0.95-0.94-0.93+0.92=0.01-0.93+0.92=0
……………………
0.01到0.99一共有99项,99÷4=24……3即
﹙0.99-0.98-0.97+0.96﹚+ ﹙0.95-0.94-0.93+0.92﹚...+﹙0.07-0.06-0.05+0.04﹚+0.03-0.02-0.01
=﹙0＋0＋0＋……+0﹚+0.03-0.02-0.01
=（24个）0+0.03-0.02-0.01
=0

0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01（简 1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03-0.02-0.01 1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+.+0.04+0.03-0.02-0.01=（小数加减法的简便计算1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+...+0.04+0.03 0.01+ 0.02 +0.03 +0.04 +0.05+ 0.06 +. 0.94+ 0.95+ 0.96 +0.97 01+0.02+0.03+0.04+…+0.96+0.97+0.98+0.99= +0.99-0.98-0.97+0.96+0.95-0.94-0.93+.+0.08+0.07-0.06-0.05+0. 1+0.99-0.98-0.97+0.96+0.95-0.94-0.93+…+0.08+0.07-0.06-0.05+0 0.01+0.02+0.03+.+0.97+0.98+0.99=? 0.01+0.02+0.03+0.04+……+0.97+0.98+0.99+1=? 一道简单的巧算题1＋0.99－0.98－0.97＋0.96＋0.95－0,94－0.93＋……＋0.04＋0.03－0. 0.01+0.02+0.03+.+0.97+0.98+0.99=多少