(-38/3)/1.4-(-25/3)/(-1.4)+61/3/1.4 简便运算
问题描述：
(-38/3)/1.4-(-25/3)/(-1.4)+61/3/1.4 简便运算
写出算的过程
答
原式化为:
(-38/3)/1.4-(25/3)/1.4+(61/3)/1.4
=(-38-25+61)/3/1.4
=-2/3/(7/5)
=-10/21