百分之62乘15+2乘8分之5-5除以8

问题描述:

百分之62乘15+2乘8分之5-5除以8

62%×15+2×5/8-5÷8
=93/10+10/8-5/8
=93/10+5/8
=372/40+25/40
=397/40
=9又37/40