63÷[2.02-(2-1.05)x80%]简便计算
问题描述:
63÷[2.02-(2-1.05)x80%]简便计算
答
63÷[2.02-(2-1.05)x80%]
=63÷(2.02-0.95x80%)
=63÷(2.02-0.0.76)
=63÷12.6
=5
不懂可追问,有帮助请采纳,谢谢!