27*4/25+12*6/25+4/5简便运算
问题描述:
27*4/25+12*6/25+4/5简便运算
答
27*4/25+12*6/25+4/5
=4*(27/25+18/25+5/25)
=4*(50/25)
=4*2
=8
答
27x4/25+12x6/25+4/5
=27x4/25+18x4/25+5x4/25
=(27+48+5)x4/25
=70x4/25
=56/5
答
(27+3*6+5)*4/25=8