简便运算:48×20+460÷23 462÷(47+390÷13)
问题描述:
简便运算:48×20+460÷23 462÷(47+390÷13)
答
48×20+460÷23
=960+20
=980
462÷(47+390÷13)
=462÷(47+30)
=462÷77
=6