(5.8*4+7.5*0.4)*2.5简便
答案:4 悬赏:70 手机版
解决时间 2021-01-13 12:06
- 提问者网友：两耳就是菩提
- 2021-01-12 19:57
(5.8*4+7.5*0.4)*2.5简便
最佳答案
- 五星知识达人网友：低音帝王
- 2021-01-12 20:03
(5.8*4+7.5*0.4)*2.5
=5.8*4*2.5+7.5*0.4*2.5
=5.8*（4*2.5）+7.5*（0.4*2.5）
=5.8*10+7.5*1
=58+7.5
=65.5
=5.8*4*2.5+7.5*0.4*2.5
=5.8*（4*2.5）+7.5*（0.4*2.5）
=5.8*10+7.5*1
=58+7.5
=65.5
全部回答
- 1楼网友：神鬼未生
- 2021-01-12 21:38
(5.8*4+7.5*0.4)*2.5
=5.8x4x2.5+7.5x0.4x2.5
=5.8x(4x2.5)+7.5x(0.4x2.5)
=5.8x10+7.5x1
=58+7.5
=65.5
=5.8x4x2.5+7.5x0.4x2.5
=5.8x(4x2.5)+7.5x(0.4x2.5)
=5.8x10+7.5x1
=58+7.5
=65.5
- 2楼网友：执傲
- 2021-01-12 20:58
=5.8x4x2.5+7.5x0.4x2.5
=5.8x(4x2.5)+7.5x(0.4x2.5)
=5.8x10+7.5x1
=58+7.5
=65.5
望采纳，谢谢
=5.8x(4x2.5)+7.5x(0.4x2.5)
=5.8x10+7.5x1
=58+7.5
=65.5
望采纳，谢谢
- 3楼网友：山君与见山
- 2021-01-12 20:15
(5.8×4+7.5×0.4)×2.5
=(5.8×4+0.75×4)×2.5
=4×(5.8+0.75)×2.5
=4×2.5×6.55
=10×6.55
=65.5
=(5.8×4+0.75×4)×2.5
=4×(5.8+0.75)×2.5
=4×2.5×6.55
=10×6.55
=65.5
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