8分之15除以六分之五加上六分之五乘以五分之四要求简便 递等式
问题描述:
8分之15除以六分之五加上六分之五乘以五分之四
要求简便 递等式
答
15/8÷5/6+5/6×4/5
=9/4+2/3
=27/12+8/12
=35/12
答
15/8÷5/6+5/6×4/5
=15/8×6/5+2/3
=9/4+2/3
=27/12+8/12
=35/12
答
15/8÷5/6+5/6×4/5
=15/8×6/5+4/6
=3/4×3+2/3
=9/4+2/3
=35/12