38.3*7.6+11*10.4+427*0.24简便计算
答案:1 悬赏:80 手机版
解决时间 2021-04-06 10:23
- 提问者网友：世勋超人
- 2021-04-06 00:10
38.3*7.6+11*10.4+427*0.24简便计算
最佳答案
- 五星知识达人网友：愁杀梦里人
- 2021-04-06 01:09
38.3*7.6+11*10.4+427*0.24
=38.3*7.6+1.1*10.4+42.7*2.4
=38.3*7.6+1.1*10.4+38.3*2.4+4.4*2.4
=38.3*(7.6+2.4)+1.1*10.4+1.1*4*2.4
=38.3*10+1.1*(10.4+9.6)
=383+1.1*20
=383+22
=405
=38.3*7.6+1.1*10.4+42.7*2.4
=38.3*7.6+1.1*10.4+38.3*2.4+4.4*2.4
=38.3*(7.6+2.4)+1.1*10.4+1.1*4*2.4
=38.3*10+1.1*(10.4+9.6)
=383+1.1*20
=383+22
=405
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