17.6乘1.25加36除0.8加2.64乘12.5等于?巧算_数学解答

17.6乘1.25加36除0.8加2.64乘12.5等于?巧算

人气：249 ℃　时间：2020-03-29 08:38:12

解答

17.6×1.25+36÷0.8+2.64×12.5
=17.6×1.25+36×5/4+26.4×1.25
=17.6×1.25+36×1.25+26.4×1.25
=1.25×(17.6+26.4+36)
=1.25×80
=100