脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]
问题描述:
脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]
答
5/8÷[77/12-(41/12+33/16)]
=5/8÷【77/12-41/12-33/16】
=5/8÷【3-33/16】
=5/8÷【(48-33)/16】
=(5/8)*(16/15)
=2/3