4.25*1.25+4.35/5分之4-4分之5=多少?

问题描述:

4.25*1.25+4.35/5分之4-4分之5=多少?

4.25*1.25+4.35/5分之4-4分之5
=5/4 *(4.25+4.35 -1)
=5/4 *7.6
=9.5