数学巧算题一道 高手请进 在线等
- 提问者网友：人傍凄凉立暮秋
- 2021-07-25 13:55
- 五星知识达人网友：夜风逐马
- 2021-07-25 14:53
10-10.5/[5.2*(14.6-9.2)-5.4*3.7-4.6*1.5]
=10-10.5/[5.2*5.4-5.4*3.7-4.6*1.5]
=10-10.5/[5.4*(5.2-3.7)-4.6*1.5]
=10-10.5/[5.4*1.5-4.6*1.5]
=10-10.5/[1.5*(5.4-4.6)]
=10-10.5/[1.5*0.8]
=10-10.5/1.2
=10-8.75
=1.25
- 1楼网友：神的生死簿
- 2021-07-25 18:45
=10-10.5/[5.2*14.6 - 9.2*5.2 - 5.4*3.7 - 4.6*1.5]
=10-10.5/[5.2*(14.6-9.2)-5.4*3.7-4.6*1.5]
=10-10.5/[5.2*5.4-5.4*3.7-4.6*1.5]
=10-10.5/[5.4*(5.2-3.7)-4.6*1.5]
=10-10.5/[5.4*1.5-4.6*1.5]
=10-10.5/[1.5*(5.4-4.6)]
=10-10.5/[1.5*0.8]
=10-10.5/1.2
=120/12-105/12
=15/12
=5/4
- 2楼网友：怙棘
- 2021-07-25 17:52
10-10.5/[5.2*(14.6-9.2)-5.4*3.7-4.6*1.5]
=10-10.5/[5.2*5.4-5.4*3.7-4.6*1.5]
=10-10.5/[5.4*(5.2-3.7)-4.6*1.5]
=10-10.5/[5.4*1.5-4.6*1.5]
=10-10.5/[1.5*(5.4-4.6)]
=10-10.5/[1.5*0.8]
=10-10.5/1.2
=120/12-105/12
=15/12
=5/4
- 3楼网友：归鹤鸣
- 2021-07-25 16:31
10-10.5/[5.2*(14.6-9.2)-5.4*3.7-4.6*1.5]
=10-10.5/[5.2*5.4-5.4*3.7-4.6*1.5]
=10-10.5/[5.4*(5.2-3.7)-4.6*1.5]
=10-10.5/[5.4*1.5-4.6*1.5]
=10-10.5/[1.5*(5.4-4.6)]
=10-10.5/[1.5*0.8]
=10-10.5/1.2
=120/12-105/12
=15/12
=5/4
- 4楼网友：一秋
- 2021-07-25 16:24
10-10.5/【5.2*14.6-（9.2*5.2+5.4*3.7+4.6*1.5）】
=10-10.5/【5.2*14.6-9.2*5.2-5.4*3.7-4.6*1.5】
=10-10.5/【5.2*(14.6-9.2)-5.4*3.7-4.6*1.5】
=10-10.5/【5.2*5.4-5.4*3.7-4.6*1.5】
=10-10.5/【5.4*(5.2-3.7)-4.6*1.5】
=10-10.5/【5.4*1.5-4.6*1.5】
=10-10.5/【5.4-4.6】*1.5
=10-10.5/0.8*1.5
=10-10.5/1.2
=10-35/4
=5/4
- 5楼网友：孤独入客枕
- 2021-07-25 15:12
- 6楼网友：洎扰庸人
- 2021-07-25 15:04
10-10.5/【5.2*14.6-（9.2*5.2+5.4*3.7+4.6*1.5）】
=10-10.5/[5.2*14.6 - 9.2*5.2 - 5.4*3.7 - 4.6*1.5]
=10-10.5/[5.2*(14.6 - 9.2) - 5.4*3.7 - 4.6*1.5]
=10-10.5/[5.2*5.4 - 5.4*3.7 - 4.6*1.5]
=10-10.5/[5.4*(5.2-3.7) - 4.6*1.5]
=10-10.5/[5.4*1.5-4.6*1.5]
=10-10.5/[(5.4 - 4.6)*1.5]
=10-10.5/(0.8*1.5)
=10-10.5/1.2
=(12-10.5)/1.2
=1.5/1.2
=1.25