(12×21×45×10.2)÷(15×4×0.7×51)怎么算
答案:5 悬赏:80
解决时间 2021-01-09 19:42
- 提问者网友:我们很暧昧
- 2021-01-09 06:20
(12×21×45×10.2)÷(15×4×0.7×51)怎么算
最佳答案
- 二级知识专家网友:鸠书
- 2021-01-09 06:45
(12×21×45×10.2)÷(15×4×0.7×51)
=(12×21×3×10.2)÷(4×0.7×51)
=(3×21×3×10.2)÷(0.7×51)
=(3×30×3×10.2)÷51
=3×30×3×0.2
=54
=(12×21×3×10.2)÷(4×0.7×51)
=(3×21×3×10.2)÷(0.7×51)
=(3×30×3×10.2)÷51
=3×30×3×0.2
=54
全部回答
- 1楼网友:渊鱼
- 2021-01-09 11:52
(12×21×45×10.2)÷(15×4×0.7×51)怎么算
=21/0.7x12/4x45/15/10.2/51
=30x3x3x0.2
=90x0.6
=54
=21/0.7x12/4x45/15/10.2/51
=30x3x3x0.2
=90x0.6
=54
- 2楼网友:鸽屿
- 2021-01-09 10:21
图
- 3楼网友:上分大魔王
- 2021-01-09 09:02
(12×21×45×10.2)÷(15×4×0.7×51)
分子分母均扩大10倍
=12÷4ⅹ(21÷7)ⅹ(45÷15)ⅹ(102÷51)
=3╳3╳3ⅹ2
=54
分子分母均扩大10倍
=12÷4ⅹ(21÷7)ⅹ(45÷15)ⅹ(102÷51)
=3╳3╳3ⅹ2
=54
- 4楼网友:梦中风几里
- 2021-01-09 08:04
(12x21x45x10.2)÷(15x4x0.7x51)
=12x21x45x10.2÷15÷4÷0.7÷51
=(12÷4)x(21÷0.7)x(45÷15)x(10.2÷51)
=3x30x3x0.2
=90x0.6
=54
=12x21x45x10.2÷15÷4÷0.7÷51
=(12÷4)x(21÷0.7)x(45÷15)x(10.2÷51)
=3x30x3x0.2
=90x0.6
=54
我要举报
如以上问答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
大家都在看
推荐资讯