你会巧算吗?1.(112233-112.233)÷(224466-224.466) 2.(2244你会巧算吗?1.(112233-112.233)÷(224466-224.466)2.(224488+224.488)÷(112244+112.244)

问题描述:

你会巧算吗?1.(112233-112.233)÷(224466-224.466) 2.(2244
你会巧算吗?1.(112233-112.233)÷(224466-224.466)
2.(224488+224.488)÷(112244+112.244

(112233-112.233)÷(224466-224.466)=112.233(1000-1)÷【224.466(1000-1)】=112.233÷224.466=0.5(224488+224.488)÷(112244+112.244)=224.488(1000+1)÷【112.244(1000+1)】 =224.488÷112.244...