1又2/3-[（3.62*2/15+6.38除以7又1/2）*1.82-1又1/3*0.82]要怎样简便计算
答案:1 悬赏:40 手机版
解决时间 2021-01-24 11:28
- 提问者网友：寂寞撕碎了回忆
- 2021-01-23 18:15
1又2/3-[（3.62*2/15+6.38除以7又1/2）*1.82-1又1/3*0.82]要怎样简便计算
最佳答案
- 五星知识达人网友：蓝房子
- 2021-01-23 18:26
5/3-[（3.62*2/15+6.38*2/15）*1.82-4/3*0.82]
=5/3-[(3.62+6.38)*2/15*1.82-4/3*0.82]
=5/3-[10*2/15*1.82-4/3*0.82]
=5/3-[4/3*1.82-4/3*0.82]
=5/3-4/3
=1/3
=5/3-[(3.62+6.38)*2/15*1.82-4/3*0.82]
=5/3-[10*2/15*1.82-4/3*0.82]
=5/3-[4/3*1.82-4/3*0.82]
=5/3-4/3
=1/3
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