(2294-22.94)/(4588-45.88)的简便运算
问题描述:
(2294-22.94)/(4588-45.88)的简便运算
答
(2294-22.94)/(4588-45.88)
=(22.94×100-22.94)/(45.88×100-45.88)
=22.94×(100-1)/45.88×(100-1)
=22.94/45.88
=22.94/22.94×2
=1/2